QB200106

二丙酸倍他米松EP杂质F；二丙酸倍氯米松EP杂质J

Betamethasone Dipropionate EP Impurity F;Beclometasone Dipropionate EP Impurity J

别名：2-oxo-2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-7-(propionyloxy)-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate