天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

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!

90559-98-1

ETHYL 7-AMINO-2-(METHYLTHIO)[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE synthesis

2synthesis methods
-

Yield:90559-98-1 70%

Reaction Conditions:

in acetic acid; for 5 h;Heating;

References:

Reiter;Pongo;Dvortsak [Journal of Heterocyclic Chemistry,1987,vol. 24,# 4,p. 1149 - 1154]

ETHYL 7-AMINO-2-(METHYLTHIO)[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE Related Search: