abstract |
(57) [Problem] To provide a novel compound useful as an estrogen-like drug, and a pharmaceutical composition and a therapeutic method using the compound. SOLUTION: Formula: embedded image [Wherein, R 1 to R 6 are independently H, OH or an ester or alkyl ether thereof, halogen, or the like (provided that when R 1 is H, R 2 is not OH); Is H, alkyl, cyano, nitro, halogen, etc .; Is (Where Y is selected from a substituted or unsubstituted amino group, a heterocyclic ring or a bicyclic ring)], or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same as an active ingredient . |