QB200105

倍他米松二丙酸倍氯米松EP杂质E；二丙酸倍氯米松

Betamethasone Dipropionate EP Impurity E;Beclometasone Dipropionate

别名：(8S,9R,10S,11S,13S,14S,16S,17R)-9-chloro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate