2-Chloromethyl-4-(2,4-dichlorophenyl)-6-methylpyridine-3,5-dicarboxylic acid 5-benzyl 3-ethyl ester

3,5-Pyridinedicarboxylic acid, 2-(chloromethyl)-4-(2,4-dichlorophenyl)-6-methyl-, 3-ethyl 5-(phenylmethyl) ester