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

??2-(4-??????-1-?)??????

??2-(4-??????-1-?)??????
??2-(4-??????-1-?)?????? ??? ???
?? ??:
1016524-78-9
???:
??2-(4-??????-1-?)??????
???(??):
??2-(4-??????-1-?)??????
???:
ethyl 2-(4-oxopiperidin-1-yl)nicotinate
???(??):
ethyl 2-(4-oxopiperidin-1-yl)nicotinate;2-(4-Oxo-1-piperidinyl)-3-pyridinecarboxylic acid ethyl ester;3-Pyridinecarboxylic acid, 2-(4-oxo-1-piperidinyl)-, ethyl ester
CBNumber:
CB91790316
???:
C13H16N2O3
??? ??:
248.28
MOL ??:
1016524-78-9.mol

??2-(4-??????-1-?)?????? ??

?? ?
412.9±45.0 °C(Predicted)
??
1.206±0.06 g/cm3(Predicted)
?? ??
2-8°C
?? ?? (pKa)
6.17±0.29(Predicted)

??

??2-(4-??????-1-?)?????? C??? ??, ??, ??

??2-(4-??????-1-?)?????? ?? ?? ? ???

???

?? ??


??2-(4-??????-1-?)?????? ?? ??

???( 17)?? ??
??? ?? ??? ?? ?? ? ??
Alfa Chemistry

Info@alfa-chemistry.com United States 24072 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418684 +8618949823763
sales@tnjchem.com China 25356 58
Suzhou Victorypharm Co.,Ltd.
+86-13916956214
sales@victory-pharm.com China 1299 58
Amadis Chemical Company Limited
571-89925085
sales@amadischem.com China 131957 58
RuiErKang Pharmaceuticals, Inc. 2921645477
2921645477@qq.com China 132 58
Suzhou APIC Biotechnology Co., Ltd. 0512-65757861-8000
sales@apiclab.cn China 273 58
Shanghai HuanChuan Industry Co.,Ltd. 021-61478794
sales@hcshhai.com China 9793 50
Changzhou Hopschain Chemical Co.,Ltd. 0519-85528066 13775048983
sales@hopschem.com China 31553 55
Shandong Ono Chemical Co., Ltd. 0539-6362799 20)
China 9998 58
Qi Qi hang Biotechnology Co., Ltd. 15870833005
2232044025@qq.com China 8206 58

Copyright 2019 ? ChemicalBook. All rights reserved