"A compound of the (I-1'): ##STR42## wherein R1 is a halogen atom, and A1 is a group of the following formula (A1 -1), (A1 -2) or (A1 -3): --Z--N(Q11)(Q21) (A1 -1) (in which Z is --CO--, --CS-- or --SO2 --, Q11 and Q21 are the same or different and each a methyl group, an ethyl group, a propyl group, or an isopropyl group, or Q11 is a hydrogen atom, and Q21 is a cyclopentyl group, a cyclohexyl grou" . . . .