| abstract |
A compound of formula (I): ##STR1## and the pharmaceutically acceptable base salts thereof, wherein: R is CO 2 R 12 where R 12 is H or a biolabile ester-forming group, or R is tetrazol-5-yl, and either (a) R 1 is ##STR2## and R 2 is F, Cl, Br, I, CH 3 or CF 3 , or (b) R 1 is C 3 -C 6 alkyl and R 2 is C 2 -C 4 alkyl, useful as steroid 5-α-reductase inhibitors. |