英文别名17-Hydroxy-16-methylpregna-1,4-diene-3,20-dione21-acetate; 21-Acetyloxy-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione; Dexamethasone Impurity 9; 2-((17R)-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate; Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-17-hydroxy-16-methyl-, (16α)- (9CI) 
