10360-31-3 C.I. Direct Yellow 59, monosodium salt NSC143368 [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-(4-aminophenyl)-6-methyl-, monosodium salt [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-(p-aminophenyl)-6-methyl-, sodium salt