1,2,4,5-Benzenetetracarboxylic acid, compd. with 4,5-dihydro-2-phenyl-1H-imidazole (1:1) 54553-90-1 63358-85-0 Benzene-1,2,4,5-tetracarboxylic acid, compound with 4,5-dihydro-2-phenyl-1H-imidazole (1:1) EINECS 259-224-4 Pyromellitic acid, mono(2-phenyl-2-imidazoline) salt