Synonyms: PX-4;1,1'-(1,4-Phenylenedimethylene)bis(4-formylpyridinium bromide) dioxime;Pyridinium, 1,1'-(1,4-phenylenedimethylene)bis(4-formyl-, dibromide, dioxide;AC1NUTHC;CHEMBL490727;LS-132871;4605-75-8;oxo-[[1-[[4-[[4-(oxoazaniumylmethylidene)pyridin-1-yl]methyl]phenyl]methyl]pyridin-4-ylidene]methyl]azanium dibromide