| abstract |
The present invention provides a kind of compound, it is characterized in that, represented by general formula (I) (in formula (I), A represents halogen atom, alkyl, halogenated alkyl, alkoxyl, halogenated alkoxyl, alkylsulfonyl, none A substituted or substituted aryl group, cyano group, or nitro group. n represents any integer from 0 to 5 (when n is 2 or more, A may be the same or different from each other). Y represents an alkyl group. M represents a base metal or alkaline earth metal. m represents an integer of 1 or 2). |