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

de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal

de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal ??? ???
?? ??:
98641-05-5
???:
de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal
???(??):
N-Demethyl Erythromycin EP Impurity E;de(N-methyl)-8,9-anhydroerythromycin A 6,9-hemiacetal;de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal;Erythromycin, 8,9-didehydro-N-demethyl-9-deoxo-6-deoxy-6,9-epoxy-;N-Demethyl Erythromycin EP Impurity E (N-Demethyl-Erythromycin A Enol Ether)
CBNumber:
CB41377060
???:
C36H63NO12
??? ??:
701.9
MOL ??:
98641-05-5.mol

de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal ??

?? ?
791.0±60.0 °C(Predicted)
??
1.21±0.1 g/cm3(Predicted)
?? ?? (pKa)
13.45±0.70(Predicted)

??

de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal C??? ??, ??, ??

de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal ?? ?? ? ???

???

?? ??


de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal ?? ??

???( 4)?? ??
??? ?? ??? ?? ?? ? ??
TLC Pharmaceutical Standards Ltd. 18012923235 18012923235
chinasales04@tlcstandards.com.cn China 7185 58
Hubei Rhema Reference Materials Technology Co., Ltd. 15787879035 15787875101
ydw9035@rmastandards.com China 9976 58
Hubei YoungXin Pharmaceutical Tech Co.,Ltd. 0714-3999001 17771081808
2654977911@qq.com China 9900 58
TLC Pharmaceutical Standards Ltd. 18012923235
chinasales04@tlcstandards.com.cn China 8291 58

de-(N-methyl)-8,9-anhydroerythromycin A 6,9-hemicetal ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
宿松县| 天柱县| 拜城县| 洛浦县| 曲沃县| 深水埗区| 阜新市| 平邑县| 乌兰浩特市| 文安县| 池州市| 普兰店市| 和顺县| 绍兴县| 卓资县| 桐柏县| 镇江市| 乌兰浩特市| 太仆寺旗| 城固县| 兴化市| 星子县| 三河市| 通道| 竹溪县| 张家口市| 余姚市| 仪陇县| 海阳市| 浦东新区| 鲁山县| 留坝县| 保山市| 德钦县| 南漳县| 沾化县| 荣成市| 闽清县| 北辰区| 宁阳县| 乐山市|