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:

中江县| 荃湾区| 常宁市| 巴里| 百色市| 安岳县| 瓦房店市| 蒙城县| 四会市| 邵武市| 荥阳市| 肥乡县| 西华县| 衡水市| 永顺县| 九江市| 望江县| 安多县| 大安市| 财经| 宁陕县| 宜君县| 洪湖市| 五常市| 宝兴县| 伊宁市| 阳新县| 麻江县| 区。| 莱州市| 贵南县| 娄底市| 吴旗县| 昔阳县| 拜泉县| 马鞍山市| 都兰县| 吉隆县| 英超| 开鲁县| 长海县|