European Pharmacopoeia (EP) Reference Standard Synonym(s): 6α,9α-Difluoro-11β,16α,17α,21-tetrahydroxy-1,4-pregnadiene-3,20-dione; 6α,9α-Difluoro-16α-hydroxyprednisolone 16,17-acetonide; 6α-Fluorotriamcinolone acetonide; Sinalar; Synandone Empirical...