n the group represented by Ar-4 in the formula (I), R2 is hydrogen or halogen, especially preferable is fluorine or chlorine, R3 is halogen, cyano group or nitro group, especially preferable is chlorine, cyano group or nitro group, R and R9 are same or different, and are C1-4alkyl group, especially preferable is methyl. [0064] (6) As the preferable substituent on the group represented by Ar-5 in t