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9,10-Didehydro-6-methyldihydroxyergoline-8β-carboxylic acid9,10-Didehydro-6-methyldihydroxyergoline-8β-carboxylic acid72088-21-2
14,15-Didehydro-14-deoxyVirginiamycin M114,15-Didehydro-14-deoxyVirginiamycin M1
1,2-Didehydroaspidospermidine1,2-Didehydroaspidospermidine19751-76-9
(-)-9,10-Didehydro-N-[1-(hydroxymethyl)propyl]-1,6-dimethylergoline-8β-carboxamide(-)-9,10-Didehydro-N-[1-(hydroxymethyl)propyl]-1,6-dimethylergoline-8β-carboxamide746-51-0
25,27-Didehydroergosterol25,27-Didehydroergosterol
6,7-Didehydro-4,5α-epoxy-3-methoxy-17-methyl-8-piperidinomorphinan6,7-Didehydro-4,5α-epoxy-3-methoxy-17-methyl-8-piperidinomorphinan63729-83-9
2',3'-Didehydro-2'-deoxyvobtusine2',3'-Didehydro-2'-deoxyvobtusine25662-91-3
7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3-ol7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3-ol47024-28-2
31,32-Didehydrophytochlorin 24-ethyl-4α-methyl-5α-cholestan-3β-yl ester31,32-Didehydrophytochlorin 24-ethyl-4α-methyl-5α-cholestan-3β-yl ester
8,14-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6β-ol acetate8,14-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6β-ol acetate28379-40-0
9,10-Didehydro-1,6-dimethyl-N-ethylergoline-8β-carboxamide9,10-Didehydro-1,6-dimethyl-N-ethylergoline-8β-carboxamide7240-57-5
1,2-Didehydro-3-O,4-O,6-O-tribenzyl-β-D-allopyranose1,2-Didehydro-3-O,4-O,6-O-tribenzyl-β-D-allopyranose
(13β,14β)-7,8-Didehydro-4,5α-epoxy-3,6,6-trimethoxy-17-methylhasubanan-9α-ol(13β,14β)-7,8-Didehydro-4,5α-epoxy-3,6,6-trimethoxy-17-methylhasubanan-9α-ol40135-50-0
5,6-Didehydro-4-hydroxy-3,6-dimethoxymorphinan-7-one5,6-Didehydro-4-hydroxy-3,6-dimethoxymorphinan-7-one15444-28-7
(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-6α,9α-diol(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-6α,9α-diol20377-55-3
11,12-Didehydro-7,10-dihydro-10-hydroxyretinol11,12-Didehydro-7,10-dihydro-10-hydroxyretinol3230-75-9
16,17-Didehydroyohimban-16-carbaldehyde16,17-Didehydroyohimban-16-carbaldehyde41928-03-4
7,8-Didehydro-4,5α-epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one ethylene acetal7,8-Didehydro-4,5α-epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one ethylene acetal7415-43-2
(3β,20α)-16,17-Didehydro-11-methoxy-19α-methyl-18-oxayohimban-16-carboxylic acid methyl ester(3β,20α)-16,17-Didehydro-11-methoxy-19α-methyl-18-oxayohimban-16-carboxylic acid methyl ester482-95-1
7,8-Didehydro-4,5α-epoxy-17-(3-methyl-2-butenyl)morphinan-3,6α-diol 6-sulfuric acid7,8-Didehydro-4,5α-epoxy-17-(3-methyl-2-butenyl)morphinan-3,6α-diol 6-sulfuric acid
(20ξ)-16,17-Didehydrocuran(20ξ)-16,17-Didehydrocuran56053-18-0
(5α,25α)-8,9-Didehydrocevane-3α,6β-diol(5α,25α)-8,9-Didehydrocevane-3α,6β-diol61989-84-2
4,5-Didehydro-2,3,6,7-tetrahydro-3,3,6,6-tetramethylthiepin 1-oxide4,5-Didehydro-2,3,6,7-tetrahydro-3,3,6,6-tetramethylthiepin 1-oxide55849-07-5
1,6-Didehydro-3β-methoxy-15,16-[methylenebis(oxy)]erythrinan-2α-ol1,6-Didehydro-3β-methoxy-15,16-[methylenebis(oxy)]erythrinan-2α-ol5550-20-9
(+)-2',3'-Didehydroverrucarin A(+)-2',3'-Didehydroverrucarin A
(2β,5α,12β,19α)-6,7-Didehydroaspidospermidine-3β-carboxylic acid methyl ester(2β,5α,12β,19α)-6,7-Didehydroaspidospermidine-3β-carboxylic acid methyl ester50868-35-4
12,13-Didehydro-14-hydroxy-12,12-O-seco-13-deoxymycinamicin I12,13-Didehydro-14-hydroxy-12,12-O-seco-13-deoxymycinamicin I73684-72-7
7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6β-ol acetate7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6β-ol acetate63783-54-0
4,5-Didehydro-4H-benzo[b]quinolizine-5-ium4,5-Didehydro-4H-benzo[b]quinolizine-5-ium260-62-8
2,3-Didehydro-3-hydroxy-β,χ-caroten-4-one2,3-Didehydro-3-hydroxy-β,χ-caroten-4-one55511-20-1
5,18-Didehydro-5,6-dihydro-β,β-carotene5,18-Didehydro-5,6-dihydro-β,β-carotene34143-90-3
7',8'-Didehydro-14'-deoxy-2',3':9,10-bisoxy-2',3',9,10-tetrahydro-14'-oxovertisporin7',8'-Didehydro-14'-deoxy-2',3':9,10-bisoxy-2',3',9,10-tetrahydro-14'-oxovertisporin102852-50-6
6,7-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6-ol6,7-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6-ol6252-51-3
8,14-Didehydro-3-methoxy-17-methylmorphinan-6-one ethylene acetal8,14-Didehydro-3-methoxy-17-methylmorphinan-6-one ethylene acetal23185-95-7
6,7-Didehydro-4,5α-epoxy-17-methylmorphinan-3-ol6,7-Didehydro-4,5α-epoxy-17-methylmorphinan-3-ol63732-65-0
2',3'-Didehydro-3'-deoxythymidine 5'-diphosphoric acid2',3'-Didehydro-3'-deoxythymidine 5'-diphosphoric acid
3,4-Didehydroretinol palmitate3,4-Didehydroretinol palmitate
3,12-Didehydro-2β,9,10-trimethoxygalanthan-1α-ol3,12-Didehydro-2β,9,10-trimethoxygalanthan-1α-ol517-78-2
2,3-Didehydro-35-de[11-[[imino(methylamino)methyl]amino]-1,3-dimethyl-7-undecenyl]-28-demethyl-3-deoxy-35-[9-[[imino(methylamino)methyl]amino]-1-methyl-5-nonenyl]-30-methylscopafungin2,3-Didehydro-35-de[11-[[imino(methylamino)methyl]amino]-1,3-dimethyl-7-undecenyl]-28-demethyl-3-deoxy-35-[9-[[imino(methylamino)methyl]amino]-1-methyl-5-nonenyl]-30-methylscopafungin81545-42-8
(±)-2,3-Didehydro-6',7',10,11-tetramethoxyemethan(±)-2,3-Didehydro-6',7',10,11-tetramethoxyemethan
7,8-Didehydro-4,5α-epoxy-6α-ethoxy-17-methylmorphinan-3-ol7,8-Didehydro-4,5α-epoxy-6α-ethoxy-17-methylmorphinan-3-ol47252-06-2
(20α)-16,17-Didehydroyohimban-16-carboxylic acid methyl ester(20α)-16,17-Didehydroyohimban-16-carboxylic acid methyl ester6871-14-3
7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol 3-sulfate7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol 3-sulfate35764-55-7
19,34-Didehydro-12-deoxy-12,18α-epoxy-18,19-dihydro-17-O-deacetylaustin19,34-Didehydro-12-deoxy-12,18α-epoxy-18,19-dihydro-17-O-deacetylaustin
6,7-Didehydro-4,5α-epoxy-3-ethoxy-17-methylmorphinan-8α-ol6,7-Didehydro-4,5α-epoxy-3-ethoxy-17-methylmorphinan-8α-ol63732-58-1
3',4'-Didehydro-1',2'-dihydro-1'-hydroxy-β,ψ-caroten-4-one3',4'-Didehydro-1',2'-dihydro-1'-hydroxy-β,ψ-caroten-4-one26056-69-9
4',5'-Didehydro-5'-deoxy-2'-O,3'-O-[(R)-(4-methoxyphenyl)methylene]cytidine4',5'-Didehydro-5'-deoxy-2'-O,3'-O-[(R)-(4-methoxyphenyl)methylene]cytidine53166-60-2
7,8-Didehydro-4,5α-epoxy-3-methoxymorphinan-6α-yl β-D-glucopyranosiduronic acid7,8-Didehydro-4,5α-epoxy-3-methoxymorphinan-6α-yl β-D-glucopyranosiduronic acid50444-03-6
20,21-Didehydro-17-methoxy-1-methyl-21,21-diphenylaspidospermidine20,21-Didehydro-17-methoxy-1-methyl-21,21-diphenylaspidospermidine36459-06-0
1,6-Didehydro-3β-methoxyerythrinan-15-ol1,6-Didehydro-3β-methoxyerythrinan-15-ol27675-39-4
7,8-Didehydro-4,5α-epoxy-17-methyl-6α-[(trimethylsilyl)oxy]morphinan-3-yl 2-O,3-O,4-O-tris(trimethylsilyl)-β-D-glucopyranosiduronic acid trimethylsilyl ester7,8-Didehydro-4,5α-epoxy-17-methyl-6α-[(trimethylsilyl)oxy]morphinan-3-yl 2-O,3-O,4-O-tris(trimethylsilyl)-β-D-glucopyranosiduronic acid trimethylsilyl ester52092-53-2
6,7-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-8α-ol acetate6,7-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-8α-ol acetate63732-60-5
(2ξ,4ξ)-3,18-Didehydro-1-(hydroxymethyl)dasycarpidan-8(16H)-ethanol(2ξ,4ξ)-3,18-Didehydro-1-(hydroxymethyl)dasycarpidan-8(16H)-ethanol55724-45-3
7,8-Didehydro-3,7,8-trimethoxy-17-methylhasubanan-4,6-diol7,8-Didehydro-3,7,8-trimethoxy-17-methylhasubanan-4,6-diol30452-61-0
7,8-Didehydro-4,5α-epoxy-17-(3-methyl-2-butenyl)morphinan-3,6α-diol7,8-Didehydro-4,5α-epoxy-17-(3-methyl-2-butenyl)morphinan-3,6α-diol
(13β,14β)-7,8-Didehydro-4,5α-epoxy-3,6,6-trimethoxy-17-methylhasubanan-9α-ol acetate(13β,14β)-7,8-Didehydro-4,5α-epoxy-3,6,6-trimethoxy-17-methylhasubanan-9α-ol acetate29944-26-1
12,13-Didehydro-2''-O,3''-O-didemethyl-12,12-O-seco-13-deoxymycinamicin I12,13-Didehydro-2''-O,3''-O-didemethyl-12,12-O-seco-13-deoxymycinamicin I85687-36-1
(14α)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol(14α)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol16206-70-5
7,8-Didehydro-4,5α-epoxy-3-ethoxy-17-methylmorphinan-6β-ol7,8-Didehydro-4,5α-epoxy-3-ethoxy-17-methylmorphinan-6β-ol47252-01-7
7,8-Didehydro-4,5α-epoxy-3,6α-dihydroxy-17,17-dimethylmorphinan-17-ium7,8-Didehydro-4,5α-epoxy-3,6α-dihydroxy-17,17-dimethylmorphinan-17-ium
19,34-Didehydro-12-deoxy-12,18α-epoxy-18,19-dihydroaustin19,34-Didehydro-12-deoxy-12,18α-epoxy-18,19-dihydroaustin82893-35-4
7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6-ol pyridine-3-carboxylate7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6-ol pyridine-3-carboxylate
7,8-Didehydro-4,7-dihydroxy-3,8-dimethoxy-17-methylmorphinan-6-one7,8-Didehydro-4,7-dihydroxy-3,8-dimethoxy-17-methylmorphinan-6-one54302-44-2
13',19'-Didehydro-19'-deoxy-28,44-dihydro-44-hydroxymicrococcin P13',19'-Didehydro-19'-deoxy-28,44-dihydro-44-hydroxymicrococcin P67401-56-3
7,8-Didehydro-4,5α-epoxy-17-methyl-6α-piperidinomorphinan-3-ol7,8-Didehydro-4,5α-epoxy-17-methyl-6α-piperidinomorphinan-3-ol63732-66-1
6,7-Didehydro-8β,10β-epoxy-3,4,7-trimethoxy-17-methylhasubanan-8-ol6,7-Didehydro-8β,10β-epoxy-3,4,7-trimethoxy-17-methylhasubanan-8-ol6858-85-1
1,4-Didehydro-1-deoxo-4,35-dihydro-1-hydroxytolypomycin Y1,4-Didehydro-1-deoxo-4,35-dihydro-1-hydroxytolypomycin Y33889-22-4
6,7-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6-diol diacetate6,7-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6-diol diacetate65644-89-5
(3β)-18,19-Didehydro-10-methoxy-16-[(R)-2,3,4,9-tetrahydro-6-methoxy-1H-pyrido[3,4-b]indol-1-yl]-17-norcorynan(3β)-18,19-Didehydro-10-methoxy-16-[(R)-2,3,4,9-tetrahydro-6-methoxy-1H-pyrido[3,4-b]indol-1-yl]-17-norcorynan10438-16-1
2',3'-Didehydro-thymidine triphosphate2',3'-Didehydro-thymidine triphosphate
(3β,20α)-1,2-Didehydro-2,7-dihydro-11,17α-dimethoxy-18β-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16β-carboxylic acid methyl ester(3β,20α)-1,2-Didehydro-2,7-dihydro-11,17α-dimethoxy-18β-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16β-carboxylic acid methyl ester6899-67-8
(5α,12β,19α)-2,3-Didehydro-21-hydroxy-20-oxoaspidospermidine-3-carboxylic acid methyl ester(5α,12β,19α)-2,3-Didehydro-21-hydroxy-20-oxoaspidospermidine-3-carboxylic acid methyl ester59444-63-2
1,2-Didehydro-7α-ethyl-20,21-dinoraspidospermidin-6α-ol1,2-Didehydro-7α-ethyl-20,21-dinoraspidospermidin-6α-ol57533-92-3
16,17-Didehydroyohimban16,17-Didehydroyohimban6874-77-7
6,7-Didehydro-15,16-dimethoxy-22α-methyl-4,25-secoobscurinervan-4β-ol6,7-Didehydro-15,16-dimethoxy-22α-methyl-4,25-secoobscurinervan-4β-ol7236-84-2
(5α,12β,19α)-2,3-Didehydro-8α-[(2β,5α,12β,19α)-1-demethyl-6β,7β-epoxyvallesamidin-15-yl]-6β,7β-epoxyaspidospermidine-3-carboxylic acid methyl ester(5α,12β,19α)-2,3-Didehydro-8α-[(2β,5α,12β,19α)-1-demethyl-6β,7β-epoxyvallesamidin-15-yl]-6β,7β-epoxyaspidospermidine-3-carboxylic acid methyl ester52659-53-7
(3α,16α)-18,19-Didehydro-14β,17β-epoxy-14,15-dihydroeburnamenine-14-carboxylic acid methyl ester(3α,16α)-18,19-Didehydro-14β,17β-epoxy-14,15-dihydroeburnamenine-14-carboxylic acid methyl ester55872-13-4
9,10-Didehydro-8-methylene-6-methylergoline9,10-Didehydro-8-methylene-6-methylergoline
24,31-Didehydro-3-(carboxyacetyloxy)quercinic acid24,31-Didehydro-3-(carboxyacetyloxy)quercinic acid
19,21-Didehydro-6,21-secohetisan-7α,15β-diol 15-acetate19,21-Didehydro-6,21-secohetisan-7α,15β-diol 15-acetate
(5α,25α)-8,9-Didehydrocevane-3α,6β,20-triol(5α,25α)-8,9-Didehydrocevane-3α,6β,20-triol68676-58-4
8,14-Didehydro-14-deoxyhirundigenin8,14-Didehydro-14-deoxyhirundigenin20853-99-0
4',5'-Didehydro-4'-deoxy-2',19'-dioxo-2',19'-secovincaleukoblastine4',5'-Didehydro-4'-deoxy-2',19'-dioxo-2',19'-secovincaleukoblastine1355-31-3
7,8-Didehydro-4,5α-epoxy-14-ethoxy-3-methoxy-17-methylmorphinan-6-one7,8-Didehydro-4,5α-epoxy-14-ethoxy-3-methoxy-17-methylmorphinan-6-one79823-86-2
9,10-Didehydro-N-isopropyl-6,N-dimethyl-1-(trimethylsilyl)ergoline-8β-carboxamide9,10-Didehydro-N-isopropyl-6,N-dimethyl-1-(trimethylsilyl)ergoline-8β-carboxamide
(5α)-8,9-Didehydro-6,8-dimethylergoline(5α)-8,9-Didehydro-6,8-dimethylergoline194346-16-2
5,6-Didehydro-3,6-dimethoxy-17-methylmorphinan-7-one5,6-Didehydro-3,6-dimethoxy-17-methylmorphinan-7-one55101-91-2
16,17-Didehydro-7α,11β,14β,19-tetrahydroxykauran-15-one16,17-Didehydro-7α,11β,14β,19-tetrahydroxykauran-15-one
6,7-Didehydro-22α-ethyl-15,16-dimethoxyobscurinervan-21-one6,7-Didehydro-22α-ethyl-15,16-dimethoxyobscurinervan-21-one7097-00-9
2,3-Didehydropachycarpine2,3-Didehydropachycarpine
12,13-Didehydro-12,24-secostrychnidin-10-one 19-oxide12,13-Didehydro-12,24-secostrychnidin-10-one 19-oxide
(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-6α,9α-diol diacetate(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-6α,9α-diol diacetate38691-63-3
16,17-Didehydro-9,17-dihydro-9α-hydroxyibogamine-18-carboxylic acid methyl ester16,17-Didehydro-9,17-dihydro-9α-hydroxyibogamine-18-carboxylic acid methyl ester16671-16-2
1,2-Didehydro-3α,7-dimethoxycrinan1,2-Didehydro-3α,7-dimethoxycrinan1162-10-3
6,7-Didehydro-17-methoxyaspidofractinine6,7-Didehydro-17-methoxyaspidofractinine54965-83-2
9,10-Didehydro-6-methylergoline-8β-carboxylic acid morpholino ester9,10-Didehydro-6-methylergoline-8β-carboxylic acid morpholino ester4314-63-0
(5α,25α)-8,14-Didehydrocevane-3β,15β-diol(5α,25α)-8,14-Didehydrocevane-3β,15β-diol20072-14-4
(5α)-13,18-Didehydro-17,23β-epoxy-12α,13-dihydro-3β,14-dihydroxyveratraman-6(5H)-one(5α)-13,18-Didehydro-17,23β-epoxy-12α,13-dihydro-3β,14-dihydroxyveratraman-6(5H)-one27317-54-0
18,19-Didehydro-10-methoxy-16-[(S)-2,3,4,9-tetrahydro-6-methoxy-1H-pyrido[3,4-b]indol-1-yl]-17-norcorynan18,19-Didehydro-10-methoxy-16-[(S)-2,3,4,9-tetrahydro-6-methoxy-1H-pyrido[3,4-b]indol-1-yl]-17-norcorynan10438-17-2
6,7-Didehydro-4,5α-epoxy-17-methyl-8β-piperidinomorphinan-3-ol6,7-Didehydro-4,5α-epoxy-17-methyl-8β-piperidinomorphinan-3-ol63783-55-1
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