英文别名9-Chloro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 17-valerate; 9-Chloro-11β,21-dihydroxy-16β-methyl-17-[(1-oxopentyl)oxy]pregna-1,4-diene-3,20-dione; Betamethasone Valerate EP Impurity H; Betamethasone Valerate impurity 6; Pregna-1,4-diene-3,20-dione, 9-chloro-11,21-dihydroxy-16-methyl-17-[(1-oxopentyl)oxy]-, (11β,16β)- (9CI); [(8S,9R,10S,11S,13S,14S,16S,17R)-9-chloro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl] pentanoate 
