6253-15-2 5-[[4-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
62532-20-1 1,3-Benzenedicarbonyl dichloride, polymer with 1,4-benzenedicarbonyl dichloride and 4,4-((1-methylethylidene)bis(4,1-phenyleneoxy))bis(benzenamine)