| abstract |
(57) [Summary] (Modified) [Structure] A compound of formula (I) and pharmaceutically acceptable salts and esters thereof. [For example, (In the formula, n is 8 to 14 and R b is methyl, ethyl, cyclopropyl, isopropyl, n-propyl, t-butyl, phenyl or benzyl). [Effect] These are non-steroidal drugs useful for the treatment of benign prostatic hypertrophy and other high 5α-reductase actions, high DHT levels and other conditions induced by androgen hyperstimulation. |