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

tert-Butyl (6-ethynylpyridin-2-yl)carbamate

tert-Butyl (6-ethynylpyridin-2-yl)carbamate ??? ???
?? ??:
1934630-23-5
???:
tert-Butyl (6-ethynylpyridin-2-yl)carbamate
???(??):
tert-Butyl (6-ethynylpyridin-2-yl)carbamate;Carbamic acid, N-(6-ethynyl-2-pyridinyl)-, 1,1-dimethylethyl ester
CBNumber:
CB73367679
???:
C12H14N2O2
??? ??:
218.25
MOL ??:
1934630-23-5.mol

tert-Butyl (6-ethynylpyridin-2-yl)carbamate ??

?? ??
under inert gas (nitrogen or Argon) at 2-8°C
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
??????:
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

tert-Butyl (6-ethynylpyridin-2-yl)carbamate C??? ??, ??, ??

tert-Butyl (6-ethynylpyridin-2-yl)carbamate ?? ?? ? ???

???

?? ??

tert-Butyl (6-ethynylpyridin-2-yl)carbamate ?? ??

???( 10)?? ??
??? ?? ??? ?? ?? ? ??
Jilin Chinese Academy of Sciences-yanshen Technology 		+undefined18143011203
 info@chemextension.com China 42056 58
Shanghai alkynechem Co., Ltd. 086-021-15821262312 15821262312
 info@alkynechem.com China 1982 58
Energy Chemical 021-58432009 400-005-6266
 marketing1@energy-chemical.com China 44811 58
Bide Pharmatech Ltd. 400-6005915
sales@picasso-e.com China 39653 58
WEITIXIHAUGONG 0371-53370800 18037197114
 2853031799@qq.com China 10063 58
Shanghai Haohong Scientific Co., Ltd. 4008210725 17717813675;
 cb_no6@leyan.com China 39990 58
Beijing Solarbio Science & Tecnology Co., Ltd. 010-50973130 17801761073
 Gsiyu@solarbio.com China 50464 58
Taizhou Chuanxu Pharmaceutical Technology Co., Ltd. 13000000000
 974144639@qq.com China 7446 58
Synthonix Inc --
 info@synthonix.com United States 6872 58
Copyright 2019 ? ChemicalBook. All rights reserved