89561-92-2
16α-methyl-3,20-dioxopregna-1,4,9(11)-triene-17α,21-diol 21-(ethoxyformate)
→
24916-90-3
地塞米松环氧水解物
78761-59-8
11α,17α,21-三羟基-16α-甲基-孕甾-1,4-二烯-3,20-二酮