A compound represented by the formula (I-S-7a): ** Formula ** in which ring A represents a C3-15 carbocyclic group； X represents a bond or a divalent group having 1 to 8 atoms in its backbone having 1 to 4 combinations selected from C1-8 alkylene that can be substituted, C2-8 alkenylene that can be substituted, a nitrogen atom that it can be substituted, (-NH-), -CO-, -O-, C3-6 cycloalkylene that can be substituted and phenylene that can be substituted； n represents 0 or 1, where when n is 0, m is 1 and R1 represents a hydrogen atom or a substituent, and when n is 1, m is 0 or an integer from 1 to 7 and R1 represents a substituent on where when m is 2 or more, the various R1 are the same or different； the substituent represented by R1 is fluorine, chlorine, bromine, methyl, trifluoromethyl or methoxy； the substituent on "which may be substituted" is selected from C1-20 alkyl, C2-20 alkenyl, C2-20 alkynyl, C1-20 alkylidene, a cyclic group, C1-20 alkyl substituted with a cyclic group, oxo, hydroxy , C1-20 alkyloxy, C2-20 alkenyloxy, C2-20 alkynyloxy, hydroxy which may be protected by a cyclic group, C1-20 acylthio, thioxo, mercapto, C1-20 alkylthio, C2-20 alkenylthio, C2-20 alkynylthio, mercapto substituted with a cyclic group, C1-20 alkylsulfinyl, C2-20 alkenylsulfinyl, C2-20 alkynylsulfinyl, sulfinyl substituted with a cyclic group, C1-20 alkylsulfonyl, C2-20 alkenylsulfonyl, sulfonyl substituted with a cyclic group , C1-20 alkylsulfonyl substituted with a cyclic group, sulfino, sulfo, sulfamoyl, carboxy, C1-20 acyl, C1-20 acyl substituted with a cyclic group, carbonyl substituted with a cyclic group, carbamoyl, cyano, amidino, nitro, nitroso , imino, amino, and a halogen atom； RS0, RS1, RS2, RS3, RS4, RS5 and RS6 each independently represent a hydrogen atom, a halogen atom or C1-4alkyl which may be substituted with 1 to 3 halogen atoms, RS12, RS13, RS14 and RS15 each independently represents a hydrogen atom, a halogen atom or C1-4alkyl which may be substituted with
