72968-66-2 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 4,4-oxybis(benzenamine) and 4,4-(sulfonylbis(4,1-phenyleneoxy))bis(benzenamine)
72968-76-4 Benzo[a]phenazinium,9-[(2-methoxyphenyl)amino]-7-phenyl-5-(phenylamino)-4,10-disulfo-, hydroxide,inner salt, disodium salt