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!

81927-47-1

1,2-diamino-4,5-ethylenedioxybenzene synthesis

7synthesis methods
-

Yield:81927-47-1 89%

Reaction Conditions:

with potassium hydroxide in ethanol; for 4 h;Heating;

References:

Mateu;Capilla;Harrak;Pujol [Tetrahedron,2002,vol. 58,# 26,p. 5241 - 5250]