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
Shanghai Hanhong Scientific Co.,Ltd.??? ?? ??? ?????.
?? ?:
Shanghai Hanhong Scientific Co.,Ltd.
??:
021-64543801
???:
2355241799@qq.com
??:
China
URL:
www.hanhongsci.com
? ?? ?:
42958
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
?? ????
Ethyl nipecotate
5006-62-2
C8H15NO2
Ethyl pipecolinate
?????????
15862-72-3
C8H15NO2
Ethyl pipecolinate hydrochloride
??????-2-??????????
77034-33-4
C8H16ClNO2
1-(3-Chloropropyl)piperidine monohydrochloride
N-(3-??????)???????
5472-49-1
C8H17Cl2N
Ethyl 4-amino-1-piperidinecarboxylate
??4-???-1-???????????
58859-46-4
C8H16N2O2
1-Piperidinepropanol
1-????????
104-58-5
C8H17NO
4-Morpholinopiperidine
53617-35-9
C9H18N2O
Ethyl 1-piperidineacetate
??1-?????????
23853-10-3
C9H17NO2
4-Piperidine butyric acid hydrochloride
4-???? ???? ?????????
84512-08-3
C9H18ClNO2
2,2,6,6-Tetramethylpiperidine
2,2,6,6-?????????
768-66-1
C9H19N
2,2,6,6-Tetramethyl-4-piperidinol
2,2,6,6-???-4-?????
2403-88-5
C9H19NO
DL-Pipecolinic acid
4043-87-2
C6H11NO2
Methyl 2-piperidinecarboxylate
??2-???????????
41994-45-0
C7H13NO2
N-Boc-2-piperidinecarboxylic acid
N-Boc-2-?????????
98303-20-9
C11H19NO4
1-(4-MethoxyPhenyl)Piperazine Di-Hydrochloride
1-(4-?????)??????????????
38869-47-5
C11H18Cl2N2O
1-[2-(2-Hydroxyethoxy)ethyl]piperazine
1-??????????????
13349-82-1
C8H18N2O2
1,4-Bis(2-hydroxyethyl)piperazine
1,4-BIS(2-???????)????
122-96-3
C8H18N2O2
1-[2-(Dimethylamino)ethyl]piperazine
1-(2-????????)????
3644-18-6
C8H19N3
1-(2-Furoyl)piperazine
1-(2-???)????
40172-95-0
C9H12N2O2
Piperazine hexahydrate
142-63-2
C4H22N2O6
3-Methyl-2-ketopiperazine
3-??-2-?????
23936-11-0
C5H10N2O
1-Methylpiperazine dihydrochloride
34352-59-5
C5H14Cl2N2
1-(2-Ethoxyethyl)piperazine
1-(2-?????)????
13484-38-3
C8H18N2O
1-n-Propylpiperazine dihydrobromide
1-n-??????? ??????????
64262-23-3
C7H18Br2N2
1-Piperazinepropanol
5317-32-8
C7H16N2O
3-Piperazinopropionitrile
3-????-1-?-???????
34064-86-3
C7H13N3
1-Amino-4-methylpiperazine dihydrochloride monohydrate
1-???-4-??????????????
40675-60-3
C5H14ClN3
1-Amino-4-methylpiperazine
1-???-4-??????
6928-85-4
C5H13N3
1,4-Piperazinedicarboxaldehyde
1,4-?????????????
4164-39-0
C6H10N2O2
Alanine anhydride
DL-2-???????????
5625-46-7
C6H10N2O2
N-Ethylpiperizine-2,3-dione
N-??-2,3-???????
59702-31-7
C6H10N2O2
4-Methyl-1-piperazinecarbonyl chloride
4-??????-1-?????????
39539-66-7
C6H11ClN2O
1,4-Dimethylpiperazine
?,?-???????
106-58-1
C6H14N2
1-Methylhomopiperazine
????????
4318-37-0
C6H14N2
trans-2,5-Dimethylpiperazine
???-2,5-???????
2815-34-1
C6H14N2
1-(2-Hydroxyethyl)piperazine
1-(2-???????)????
103-76-4
C6H14N2O
1-(Ethanesulfonyl)piperazine
62937-96-6
C6H14N2O2S
1-Amino-4-(2-hydroxyethyl)piperazine
1-???-4-(2-???????)????
3973-70-4
C6H15N3O
1-(2-Pyridyl)piperazine
1-(2-???)????
34803-66-2
C9H13N3
1-(4-Pyridyl)piperazine
1008-91-9
C9H13N3
1-(2-Tetrahydrofuroyl)piperazine hydrobromide
N-(??????-2-???????)???????????
63590-62-5
C9H17BrN2O2
Homopiperazine-1,4-bis(2-ethanesulfonic acid)
202185-84-0
C9H20N2O6S2
1-Boc-3-oxopiperazine
1-Boc-3-??????
76003-29-7
C9H16N2O3
(±)-trans-1-Allyl-2,5-dimethylpiperazine
155766-33-9
C9H18N2
1-(Tetrahydro-2-furylmethyl)piperazine
1-???????????-????
82500-35-4
C9H18N2O
1-[3-(Dimethylamino)propyl]piperazine
1-[3-(???????)???]????
877-96-3
C9H21N3
1-Butylpiperazine
5610-49-1
C8H18N2
1-(Cyclopropylmethyl)piperazine
57184-25-5
C8H16N2
1-(Cyclopropylcarbonyl)piperazine
59878-57-8
C8H14N2O
1-(2-Pyrimidyl)piperazine dihydrochloride
1-(2-????)???? ??????????
94021-22-4
C8H14Cl2N4
1-benzyl-4-phenylpiperazine
1-??-4-??????
3074-46-2
C17H20N2
N-tert-Butyloxycarbonylpiperazine
57260-71-6
C9H18N2O2
4-N-Boc-piperazine-2-carboxylic acid
N-4-Boc-2-?????????
128019-59-0
C10H18N2O4
(S)-2-Methylpiperazine
74879-18-8
C5H12N2
(R)-2-Methylpiperazine
75336-86-6
C5H12N2
4-Boc-2-Methylpiperazine
4-N-Boc-2-??-????
120737-59-9
C10H20N2O2
(R)-4-Boc-2-methylpiperazine
(R)-4-Boc-2-??????
163765-44-4
C10H20N2O2
(S)-4-N-Boc-2-methylpiperazine
(S)-4-N-Boc-2-??????
147081-29-6
C10H20N2O2
Piperazine-2-Carboxylic acid dihydrochloride
????-2-????? ??????????
3022-15-9
C5H12Cl2N2O2
(S)-2-Piperazinecarboxylic acid dihydrochloride
(S)-????-2-?????????
158663-69-5
C5H12Cl2N2O2
(R)-2-Piperazinecarboxylic acid dihydrochloride
126330-90-3
C5H12Cl2N2O2
1,4-Dibenzylpiperazine-2-carboxylic acid
1,4-???????-2-?????
215597-67-4
C19H22N2O2
2-Piperazinemethanol
28795-50-8
C5H12N2O
2,3,5-trimethylpiperazine
C7H16N2
tert-Butyl 2-piperazinecarboxylate
146398-94-9
C9H18N2O2
(R)-1-N-Boc-piperazine-2-carboxylic acid
278788-60-6
C10H18N2O4
(S)-1-N-Boc-piperazine-2-carboxylic acid
159532-59-9
C10H18N2O4
(R)-1-N-Boc-piperazine-3-carboxylic acid
4-Boc-????-2-?????
192330-11-3
C10H18N2O4
(S)-1-Boc-2-methylpiperazine
(S)-1-N-Boc-2-??????
169447-70-5
C10H20N2O2
(R)-1-Boc-2-ethylPiperazine
(R)-1-Boc-2-??????
393781-70-9
C11H22N2O2
(S)-1-Boc-2-ethylPiperazine
(S)-1-N-Boc-2-??????
325145-35-5
C11H22N2O2
2-Piperazinecarboxylic acid
2762-32-5
C5H10N2O2
2-Piperazinecarboxamide
84501-64-4
C5H11N3O
2-Piperazinone
5625-67-2
C4H8N2O
cis-2,6-Dimethylpiperazine
cis-2,6-???????
21655-48-1
C6H14N2
2,6-Dimethylpiperazine
108-49-6
C6H14N2
Oteracil potassium(OXO)
2207-75-2
C4H2KN3O4
S-N-4-Boc-N-1-Cbz-2-piperazine carboxylic acid
(S)-N-4-BOC-N-1-CBZ-2-?????????
150407-69-5
C18H24N2O6
N-4-Boc-N-1-Cbz-2-piperazine carboxylic acid
N-4-BOC-N-1-CBZ-2-?????????
126937-41-5
C18H24N2O6
R-N-4-Boc-N-1-Cbz-2-piperazine carboxylic acid
RN-4-Boc-N-1-Cbz-2-?????????
954388-33-1
C18H24N2O6
2-Cyanopiperazine
187589-36-2
C5H9N3
2-Methylpiperazine
109-07-9
C5H12N2
1-Boc-4-Cbz-2-piperazine carboxylic acid
N-1-BOC-N-4-CBZ-2-PIPERAZINECARBOXYLICACIDT-??????
129365-23-7
C22H32N2O6
2-Ethylpiperazine
13961-37-0
C6H14N2
N-Phenylpiperazine
1-??????
92-54-6
C10H14N2
N-Methylpiperazine
N-??????
109-01-3
C5H12N2
1-Piperazinecarboxaldehyde
7755-92-2
C5H10N2O
N-Ethylpiperazine
??????(???)
5308-25-8
C6H14N2
N-(2-Aminoethyl)piperazine
1-?????????
140-31-8
C6H15N3
N-Acetylpiperazine
13889-98-0
C6H12N2O
N-Isopropylpiperazine
4318-42-7
C7H16N2
(R)-Piperazine-2-carboxylic acid
(R)-????-2-?????
31321-68-3
C5H10N2O2
(S)-1-N-Boc-piperazine-3-carboxylic acid
(S)-4-N-BOC-????-2-?????
848482-93-9
C10H18N2O4
(R)-1-Boc-2-methylpiperazine
(R)-1-N-Boc-2-??????
170033-47-3
C10H20N2O2
2,6-Dichloropiperazine
????,2,6-????-(9CI)
89007-51-2
C4H8Cl2N2
2-Piperazinamine
471925-18-5
C4H11N3
2-(bromomethyl)Piperazine
????,2-(?????)-(9CI)
804425-48-7
C5H11BrN2
2-Piperazinecarboxaldehyde
773866-77-6
C5H10N2O
Piperazine dihydrochloride hydrate
207605-49-0
C4H10N22HCl
2,5-Dimethylpiperazine
2,5-???????
106-55-8
C6H14N2
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
Copyright 2019 ? ChemicalBook. All rights reserved