There is provided a novel process intermediate represented by the general formula (1) or (2): ##STR00001## (where, X represents halogen atom, cyano group or the like, Y represents halogen atom, cyano group or the like, R.sup.1 represents C.sub.1-C.sub.6 haloalkyl group or C.sub.3-C.sub.8 halocycloalkyl group, R.sup.2 represents methyl group, halogen atom, cyano group or the like, m represents an integer of 1 to 5, and n represents an integer of 1 to 4).