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!

134-49-6

Phenmetrazine synthesis

7synthesis methods
-

Yield: 80%

Reaction Conditions:

with formic acid at 180; for 20 h;

References:

Yordanova;Dantchev;Shvedov;Karanov [Archiv der Pharmazie,1990,vol. 323,# 1,p. 41 - 42]

Phenmetrazine Related Search: