分子式:C27H34F2O7;分子量:508.55;别名:(6α,11β,16β)-21-(Acetyloxy)-6,9-difluoro-11-hydroxy-16-methyl-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione; Halobetasol Propionate Impurity B;应用:21-Acetoxy-21-deschloro Halobetasol 17-Propionate is an impurity of Halobetasol Propionate (H102300); an anti-inflammatory and dermatologic agent commonly used to treat psoriasis.。