34459-52-4 Benzenediazonium, 2-methyl-5-nitro-, 1,5-naphthalenedisulfonate (1:1), sodium salt (9CI) Diazol Scarlet Zh Diazole Red Zh o-Toluenediazonium, 5-nitro-, 1,5-naphthalenedisulfonate, (1:1) sodium salt