. "ute include halogen atom such as chlorine atom, fluorine atom and bromine atom, hydroxy group, thiol group, carboxy group, sulfo group, cyano group, epoxy group, ???OR1 group, wherein R1 represents a methyl group, an ethyl group, a propyl group, a butyl group, a heptyl group, a hexyl group, an octyl group, a decyl group, a propenyl group, a butenyl group, a hexenyl group, an octenyl group, a 2-hyd" . . . . .