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

????[(?????????)??]???

????[(?????????)??]???
????[(?????????)??]??? ??? ???
?? ??:
2669-35-4
???:
????[(?????????)??]???
???(??):
????[(?????????)??]???
???:
Tributyl[(cyclohexylcarbonyl)oxy]stannane
???(??):
Tributyl[(cyclohexylcarbonyl)oxy]stannane;Cyclohexanecarboxylic acid, tributylstannyl ester
CBNumber:
CB02319210
???:
C19H38O2Sn
??? ??:
417.21
MOL ??:
2669-35-4.mol

????[(?????????)??]??? ??

CAS ??????
2669-35-4

??

????[(?????????)??]??? C??? ??, ??, ??

Safety Profile

Poison by intravenous route. When heated to decomposition it emits toxic fumes of Sn.

????[(?????????)??]??? ?? ?? ? ???

???

?? ??

????[(?????????)??]??? ?? ??

???( 2)?? ??
??? ?? ??? ?? ?? ? ??
Merck KGaA (+86) 21 2033 8288
sigmaname@qq.com CHINA 292394 58
Copyright 2019 ? ChemicalBook. All rights reserved