英文别名Betamethasone 9,11-Epoxide 21-Propionate; Beclomethasone 9,11-Epoxide 21-Propionate; (9β,11β,16β)-9,11-Epoxy-17-hydroxy-16-methyl-21-(1-oxopropoxy)pregna-1,4-diene-3,20-dione; [2-[(1S,2S,10S,11S,13S,14R,15S,17S)-14-hydroxy-2,13,15-trimethyl-5-oxo-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-14-yl]-2-oxoethyl] propanoate; Beclomethasone dipropionate impurity V; 9,11beta-Epoxy-17-hydroxy-16beta-methyl-3,20-dioxo-9beta-pregna-1,4-dien-21-yl propanoate; Pregna-1,4-diene-3,20-dione, 9,11-epoxy-17-hydroxy-16-methyl-21-(1-oxopropoxy)-, (9beta,11beta,16beta)-; Betamethasone 9,11-Epoxide Propionate 
