p. 7499 - 7502
(2020)(E,E)-hexa-2,4-dienedioic acid dimethyl ester
dimethylfumarate
trans,trans-muconic acid
1,4-dimethyl but-2-enedioate
benzene-1,2,3,4-tetracarboxylic acid tetramethyl ester
benzene-1,2,4-tricarboxylic acid trimethyl ester
tetramethyl 1,2,3,4-cyclohexanetetracarboxylate
cyclohexane-1r,2t,3t,4c-tetracarboxylic acid tetramethyl ester
cyclohexane-1r,2c,3c,4c-tetracarboxylic acid tetramethyl ester