Patent Document ID: 20100197685
Application ID: 12443972
Patent Flag: 0

Claim One:
1. A novel compound represented by the following general formula (I), and the pharmaceutically acceptable salt thereof: wherein R 1 is at least one selected from the group consisting of a hydrogen atom, C 1 -C 6 alkyl group, C 2 -C 6 alkyl ketone group and —(CH 2 )n-Q, of which Q is an ether group or amine group substituted with C 1 -C 6 lower alkyl group; R 2 is a hydrogen atom, or an ether group or thio group substituted with C 1 -C 6 alkyl group; R 3 is a group selected from following substituents of general formula (Ia), (Ib), (Ic) or (Id), wherein R′ is a hydrogen atom, or C 1 -C 6 alkyl group, X is at least one selected from amine group unsubstituted or substituted with O, S or R″, of which R″ is a benzyl group substituted with ester group or carboxyl group, n is an integer of 0-9; wherein R′″ is at least one selected from a hydrogen atom, C 1 -C 6 alkyl group or benzyl group, n is an integer of 0-9; wherein P 1 , P 2 is independently, at least one selected from the group consisting of a hydrogen atom, C 1 -C 6 alkyl group, phenyl group, benzyl group and 2-methyl-3-acetamide group, n is an integer of 0-9; wherein X is C, O, S or N atom, m is an integer of 0 or 1, Q is a phenyl group substituted with C 1 -C 3 alkyl group, halogen atom, or nitro group, n is an integer of 0-9.