| abstract |
【Task】 The present invention relates to compounds that promote bone formation. [Solution] The following general formula (I) [Chemical 1] [Wherein, R 1 : hydrogen atom, C 1 -C 6 alkyl group; R 2 : group having the general formula (II); R 3 , R 4 : hydrogen atom, halogen atom, C 1 -C 6 alkyl group, C 1 -C 6 alkoxy group, a trifluoromethyl group, a cyano group, C 2 -C 7 alkoxycarbonyl group, mono- - or di -C 1 -C 6 alkylcarbamoyl group. ] Or a pharmacologically acceptable salt thereof. [Selection figure] None |