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-((??????)??)-5-????????

2-((??????)??)-5-????????
2-((??????)??)-5-???????? ??? ???
?? ??:
1217500-82-7
???:
2-((??????)??)-5-????????
???(??):
2-((??????)??)-5-????????
???:
2-((Dimethylamino)methyl)-5-nitrophenylboronic acid
???(??):
2-((Dimethylamino)methyl)-5-nitrophenylboronic acid;Boronic acid, B-[2-[(dimethylamino)methyl]-5-nitrophenyl]-
CBNumber:
CB42490339
???:
C9H13BN2O4
??? ??:
224.02
MOL ??:
1217500-82-7.mol

2-((??????)??)-5-???????? ??

?? ?
398.0±52.0 °C(Predicted)
??
1.28±0.1 g/cm3(Predicted)
?? ??
2-8°C
?? ?? (pKa)
6?+-.0.53(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2931900090
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H317 ????? ?? ??? ??? ? ?? ?? ??? ?? ?? 1 ?? GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
??????:
P280 ????/???/???/?????? ?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

2-((??????)??)-5-???????? C??? ??, ??, ??

2-((??????)??)-5-???????? ?? ?? ? ???

???

?? ??


2-((??????)??)-5-???????? ?? ??

???( 17)?? ??
??? ?? ??? ?? ?? ? ??
Wuhan Chemwish Technology Co., Ltd
027-67849912
sales@chemwish.com CHINA 10821 58
Jilin Chinese Academy of Sciences-yanshen Technology
+undefined18143011203
info@chemextension.com China 42056 58
Aladdin Scientific

tp@aladdinsci.com United States 52924 58
Amadis Chemical Company Limited
571-89925085
sales@amadischem.com China 131957 58
Energy Chemical 021-021-58432009 400-005-6266
sales8178@energy-chemical.com China 44689 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912
sales@chemwish.com China 35896 56
9ding chemical ( Shanghai) Limited 4009209199
sales@9dingchem.com China 18209 56
Wuhan Chemwish Technology Co., Ltd 027-67849912
sales@chemwish.com China 9148 60
Tianshui YiYao Chemical Co., Ltd. 0938-0938-8493022 15379872136
xiaoshi079@163.com China 1984 58
Nanjing holy chemical co., LTD 19951936396
1815156226@qq.com China 2947 58

Copyright 2019 ? ChemicalBook. All rights reserved