Androstane derivative having substituent in 7- abd 17--positions

摘要

A compound of Formula (I): [wherein R<1 >represents a lower alkyl group, X represents an oxygen atom or a methylene group, m represents an integer of 1 to 10, and n represents an integer of 0 to 5] or a salt or ester thereof; a medicament and a pharmaceutical composition comprising one or more such compounds; a method for preventing or treating a disease closely related to androgen, which comprises administering an effective amount of one or more such compounds; a kit used for such prevention or treatment; and the use of one or more such compounds for the manufacture of the medicament.