英文别名16α-Methyl-9,11-dehydro Prednisolone; 17,21-dihydroxy-16alpha-methylpregna-1,4,9(11)-triene-3,20-dione; Dexamethasone impurity E; Dexamethasone Impurity 5(Dexamethasone EP Impurity E); (16α)-17,21-Dihydroxy-16-Methylpregna-1,4,9(11)-triene-3,20-dione; 17α,21-Dihydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione; Dexamethasone Impurity L; (8S,10S,13S,14S,16R,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one 
