QB201362

醋酸倍他米松杂质 62

Betamethasone Acetate Impurity 62

别名：2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,3,4,4a,5a,6,6a,7,8,9,9a,9b,10,11-tetradecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate