英文别名Beclomethasone Impurity 12; Beclometasone Dipropionate EP Impurity N; 2-Bromo-beclomethasone dipropionate; Beclomethasone dipropionate impurity N; 2-Bromo-9-chloro-11beta-hydroxy-16beta-methyl-3,20-dioxopregna-1,4-diene-17,21-diyl dipropanoate; (11beta,16beta)-2-Bromo-9-chloro-11-hydroxy-16-methyl-3,20-dioxopregna-1,4-diene-17,21-diyl dipropanoate; [2-[(8S,9R,10S,11S,13S,14S,16S,17R)-2-bromo-9-chloro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] propanoate; 2-Bromobeclometasone dipropionate; Beclomethasone EP Impurity N 
