英文同义词: | USAF xr-20;1,2,4,5-Benzenetetracarboxylic acid,Pyromellitic acid;1,2,4,5-Benzenetetracarboxylic acid, 96% 100GR;1,2,4,5-BENZENETETRACARBOXYLIC ACID FOR;Pyrome1htic Acid;AKOS AUF2102;BUFFER SOLUTION, PH 7.7;BENZENE-1,2,4,5-TETRACARBOXYLIC ACID HYDRATE |