| http://www.w3.org/ns/prov#value | - m of the carboxyl group, R can be hydrocarbyl, halohydrocarbyl and cyano alkyl such as those listed above for R, R is a radical having not more than about 8 carbon atoms and can be selected from the same group as R and in addition can be halo, cyano, nitro, carboxy ester, acyl and substituted hydrocarbyl containing halo, cyano, nitro, carboxy ester and acyl, the substituted hydrocarbyl can be deri
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