一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
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!

1863-39-4

3-beta,17-alpha-dihydroxypregn-5-en-20-one 3-acetate synthesis

5synthesis methods
-

Yield:1863-39-4 87%

Reaction Conditions:

with ammonium acetate;hydrogen;palladium on activated charcoal in methanol; for 2 h;

References:

Kasal, Alexander;Pokora, Jenny;Zajicek, Jaroslav [Collection of Czechoslovak Chemical Communications,1991,vol. 56,# 6,p. 1340 - 1347]

乌拉特前旗| 永泰县| 苗栗县| 垦利县| 丰原市| 北流市| 尼木县| 长垣县| 吕梁市| 扶沟县| 建湖县| 商城县| 襄垣县| 岱山县| 岳阳县| 德阳市| 绵竹市| 华蓥市| 瑞丽市| 闽侯县| 钟山县| 寻甸| 晋中市| 琼中| 龙江县| 辽源市| 府谷县| 香港 | 东平县| 定安县| 诸城市| 如皋市| 弥渡县| 德保县| 海晏县| 许昌市| 郧西县| 莱西市| 西昌市| 保定市| 伊吾县|