1,6-Cleve's acid 1-Amino-6-naphthalenesulfonic acid 1-Amino-6-sulfonaphthalene 1-Aminonaphthalene-6-sulfonic acid 1-Naphthylamine-6-sulfonic acid 119-79-9 2-Naphthalenesulfonic acid, 5-amino- 5-Amino-2-naphthalenesulfonic acid 5-Naphthylamine-2-sulfonic acid Cleve's .beta.-acid Cleve's acid, mixed Cleve's acid-1,6 Kyselina 1-naftylamin-6-sulfonova Kyselina cleve NSC4984 WLN: L66J BZ HSWQ