3, 20-dioxo-pregnene and pregnadiene 21-acids - antiinflammatories for topical application

摘要

The novel title cpds. are of formula (in which X is H, halogen or CH3, Y is H or halogen, Z is H or halogen of atomic wt. = Y, R1 is H or CH3, R2 is H, an alkali metal or an opt. substd. hydrocarbon radical, and A-B- is -CH=CH- or -CCl=CH-, or when none of X, Y and R1 is H, -A--B- may be-CH2-CH2-).