4,4'-Dinitro-2,2'-stilbenedisulfonic acid, sodium p-((p-aminophenyl)azo)benzenesulfonate, N,N'-dixylylguanidine reaction products 74665-02-4 Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-nitro-, reaction products with 4-((4-aminophenyl)azo)benzenesulfonic acid monosodium salt, compds. with N,N'-bis(dimethylphenyl)guanidine