1,2-Cyclohexanedicarboxylic acid, 2-carboxy-2-methyl-1,3-propanediyl ester 2-Carboxy-2-methylpropane-1,3-diyl cyclohexane-1,2-dicarboxylate 68901-21-3 Dimethylolpropionic acid, hexahydrophthalic diester EINECS 272-664-1