英文同义词: | Pyromellitic acid tetramethyl ester;1,2,4,5-BENZENETETRACARBOXYLIC ACID, TETRAMETHYLESTER;Pyromellitic acid tetramethyl ester~Tetramethyl benzene-1,2,4,5-tetracarboxylate;tetramethyl benzene-1,2,4,5-tetracarboxylate;1,2,4,5-Benzenetetracarboxylic acid tetramethyl;1,2,4,5-Tetra(methoxycarbonyl)benzene;1,2,4,5-Tetramethoxycarbonylbenzene;Pyromellitic acid tetramethyl |