the very potent topical anti-inflammatory glucocorticosteroids ( gcs ) most widely used are either 17 alpha-esters of halogenated 16-methyl-17 alpha-hydroxycorticosteroids ( e.g . beclomethasone 17 alpha , 21-dipropionate = bdp ) or 16 alpha , 17 alpha-acetals of halogenated 16 alpha , 17 alpha-dihydroxy corticosteroids ( e.g . triamcinolone acetonide = ta ) .
C0004905
beclomethasone
C0004906
bdp