A compound represented by the following formula (Ia): ** Formula ** (in which R0 is the group -NR3R4 (in which R3 and R4 are each independently a hydrogen atom, an oxygen atom, an alkyl group not substituted or substituted with straight, branched or cyclic chain halogen having 1 to 5 carbon atoms, or a linear or branched chain alkoxycarbonyl group having 2 to 10 carbon atoms)； R1 and R2 are each of form independent of a hydrogen atom, a halogen atom, a hydroxyl group, a straight or branched chain alkoxy group having 1 to 5 carbon atoms, an acetyl group, a carbamoyl group, a carboxyl group, a chain ester group linear or branched having 1 to 5 carbon atoms, a linear, branched or cyclic chain alkyl group not substituted or substituted by halogen having 1 to 5 carbon atoms, or a -NR3R4 group (in which R3 and R4 they are each independently an atom of hid halogen, an oxygen atom, a straight chain, branched or cyclic alkyl group substituted with halogen having 1 to 5 carbon atoms, or a straight or branched chain alkyloxycarbonyl group having 2 to 10 carbon atoms)； R5 and R6 are each independently a hydrogen atom or a straight chain, branched or cyclic alkyl group unsubstituted or substituted with halogen having 1 to 5 carbon atoms； R7 is a straight chain, branched or cyclic alkyl group having 1 to 5 carbon atoms； E is an oxygen atom； n is an integer from 0 to 5； X and Y are independently a link connector； a straight or branched chain alkylene group having 1 to 5 carbon atoms, substituted or unsubstituted with 1 to 4 hydroxyl or alkoxy groups； a cycloalkylene group having 3 to 6 carbon atoms, substituted or unsubstituted with 1 to 4 hydroxyl groups, oxygen atoms or alkyl groups； a heterocycloalkylene group, substituted or unsubstituted with 1 to 4 hydroxyl groups, oxygen atoms or alkyl groups； an alkenylene group having 2 to 4 carbon atoms, substituted or unsubstituted with 1 to 4 alkyl groups having 1 to 5 carbon atoms； -NHCO-； -CONH-； -CO-； or -SO2-； and Q is a hydrogen a
