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!

ChemicalBook CAS DataBase List 17-hydroxy-6-methylenepregn-4-ene-3,20-dione 17-acetate
32634-95-0

17-hydroxy-6-methylenepregn-4-ene-3,20-dione 17-acetate synthesis

5synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: sodium hydrogen sulfate / tetrahydrofuran / 5 h / 50 °C
2: 1,4-dioxane / 6 h / 10 °C
3: phosphoric acid / 1,4-dioxane / 5 h / 70 °C

References:

Hangzhou Hongren Pharmaceutical Technology Co., Ltd.;Wang Haiqing;Zhang Ying;Fang Jianfei CN106977569, 2017, A

17-hydroxy-6-methylenepregn-4-ene-3,20-dione 17-acetate Related Search:

京山县| 苏尼特右旗| 杭州市| 黔西县| 阿巴嘎旗| 临安市| 永修县| 云和县| 松溪县| 曲沃县| 新源县| 德庆县| 东台市| 贡嘎县| 蕉岭县| 周至县| 开化县| 博湖县| 乌海市| 德安县| 南城县| 石河子市| 邹平县| 株洲县| 苍梧县| 长白| 中西区| 鱼台县| 海丰县| 利津县| 睢宁县| 金溪县| 左权县| 叙永县| 新乡市| 海林市| 通城县| 响水县| 波密县| 沈阳市| 永福县|