131-43-1 2,2'-Stilbenedisulfonic acid, 4-nitro-4'-(5-sulfo-2H-naphtho(1,2-d)triazol-2-yl)- 2-(4-(2-(4-Nitro-2-sulphophenyl)vinyl)-3-sulphophenyl)-2H-naphtho(1,2-d)triazole-5-sulphonic acid 2H-Naphtho(1,2-d)triazole-5-sulfonic acid, 2-(4-(2-(4-nitro-2-sulfophenyl)ethenyl)-3-sulfophenyl)- EINECS 205-022-6