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

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

90434-19-8

1,3-Dibromo-2,4-dimethylbenzene synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with bromine

References:

Jacobsen [Chemische Berichte,1888,vol. 21,p. 2815]