A compound represented by the general formula (I) or a pharmacologically acceptable salt thereof: wherein R1 represents a C1 to C6 alkyl group that may be substituted with one to three identical or different groups selected from the substituent group A, a C2 to C6 alkenyl group that may be substituted with one to three identical or different groups selected from group A of substituents, a C3 to C8 cycloalkyl group that may be substituted with one to three identical or different groups selected from group A of substituents , an aryl group that may be substituted with one to three identical or different groups selected from group A of substituents (with the proviso that when the aryl group is a phenyl group having a substituent, the substituent is substituted at the meta position or for the benzene ring), a saturated heterocyclyl group that may be substituted with one to three identical or different sel groups between the group A of substituents, or an unsaturated heterocyclyl group that may be substituted with one to three identical or different groups selected from group A of substituents (group A of substituents consists of a hydroxy group, a halogen group, a group cyano, a nitro group, an amino group, a carboxy group, a C1 to C3 alkyl group, a halogen-C1 to C3 alkyl group, a C3 to C8 cycloalkyl group, a C1 to C3 alkoxy group, a halogen-C1 alkoxy group to C3, a C1 to C3 alkylsulfonyl group, an aryl group, a saturated heterocyclyl group, an unsaturated heterocyclyl group, and an aryloxy group)； R2, R3, and R8 each independently represent a hydrogen atom or a C1 to C3 alkyl group； R4, R5, R6, R7, R9, and R10 each independently represent a hydrogen atom, a fluoro group, or a C1 to C3 alkyl group； and R11 represents a hydrogen atom, a methyl group, or an ethyl group.Un compuesto representado por la fórmula general (I) o una sal farmacológicamente aceptable del mismo: en la que R1 representa un grupo alquilo C1 a C6 que puede estar sustituido con uno a tres grupos idént
