The present invention provides a p27 protein inducing agent comprising a compound represented by general formula (11) below or pharmaceutically acceptable salt thereof as an active ingredient:wherein G1, G2, G3 and G8 are each independently selected from —N═ etc., Ring G6 is selected from divalent aryl etc., A is selected from amino etc., G4 is selected from oxygen etc., G5 is selected from oxygen etc., G7 is selected from —CH2— etc., and R2 is selected from C1-6 alkyl etc.
