PROBLEM TO BE SOLVED : To provide an anticancer agent effective against a dormant cancer cell. SOLUTION : A cancer therapeutic pharmaceutical composition contains a compound represented by a formula (1) or a salt thereof as an active ingredient. [R1 is a methylene group or a C1-3 alkyl group-substituted methylene group; R2 and R3 independently represent an amino group, a monoalkylamino group, or a dialkylamino group; R4 and R5 independently represent H, a halogen atom, an alkyl group, a haloalkyl group, a phenyl group, or an amino group; R6 and R7 independently represent H, a halogen atom, an alkyl group, a haloalkyl group, a phenyl group, or an amino group; R8 and R9 independently represent H, a halogen atom, an alkyl group, a haloalkyl group, a phenyl group, or an amino group; n and m independently represent an integer of 1-4]. SELECTED DRAWING : None COPYRIGHT : (C)2019, JPO&INPIT