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!

ChemicalBook CAS DataBase List 1-(4-chloro-o-tolyl)piperazine
58820-36-3

1-(4-chloro-o-tolyl)piperazine synthesis

4synthesis methods
-

Yield:58820-36-3 73%

Reaction Conditions:

with potassium carbonate;potassium iodide

References:

US6365591,2002,B1 Location in patent:Example 32