久久99九九精品久久久久齐齐,国产精品免费精品自在线观看,午夜福利92国语

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

Tetrabutylammonium bromide

Product name:	Tetrabutylammonium bromide
CAS NO:	1643-19-2;10549-76-5
Molecular weight:	322.371
EC NO:	216-699-2
Molecular formula:	C₁₆H₃₆NBr
InChI:	InChI=1/C16H36N.N3/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-3-2/h5-16H2,1-4H3;/q+1;-1
Structural formula:

Order Back

欧美人善z0zo性伦交，免费观看无遮挡www的视频，小嫩妇好紧好爽再快视频，人人妻人人藻人人爽欧美一区