1-Naphthalenesulfonic acid, 5-((4-hydroxyphenyl)amino)-8-(phenylamino)- 1-Naphthalenesulfonic acid, 8-anilino-5-((p-hydroxyphenyl)amino)- 8-Anilino-5-(4-hydroxyanilino)naphthalenesulphonic acid 8-Anilino-5-(p-hydroxyanilino)-1-naphthalenesulfonic acid 82-31-5 EINECS 201-409-9