成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester

2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester ??? ???
?? ??:
154706-45-3
???:
2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester
???(??):
3-Hydroxymollugin;2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester
CBNumber:
CB610823754
???:
C17H16O5
??? ??:
300.31
MOL ??:
154706-45-3.mol

2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester ??

???
142.3-143.5 °C
?? ?
506.1±50.0 °C(Predicted)
??
1.338±0.06 g/cm3(Predicted)
?? ?? (pKa)
8.21±0.40(Predicted)

??

2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester C??? ??, ??, ??

2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester ?? ?? ? ???

???

?? ??


2H-Naphtho[1,2-b]pyran-5-carboxylic acid, 3,6-dihydroxy-2,2-dimethyl-, methyl ester ?? ??

???( 6)?? ??
??? ?? ??? ?? ?? ? ??
Wuhan ChemFaces Biochemical Co., Ltd. 18607101326 15172504745
aileen@chemfaces.com China 6905 55
Nanjing Digger Medical Technology Co. Ltd. 025-025-51191215 18013836722
2399235533@qq.com China 4933 58
Shanghai Moqi Biological Technology Co., LTD 021-38218169 13341702378
190129269@qq.com China 9136 58
Shanghai Yifei Biotechnology Co. , Ltd. 021-65675885 18964387627
customer_service@efebio.com China 11974 58
Hubei wei shi reagent group ltd., company 027-59102966 18717199209
2853877583@QQ.com China 7918 58
Sichuan BioCrick Biotech Co., Ltd 28-86-28-8543-3893 13260669172
sales@biocrick.com China 5020 58

Copyright 2019 ? ChemicalBook. All rights reserved