(2,6'-Bibenzothiazole)-7-sulfonic acid, 6-methyl-2'-(4-((2-oxo-1-((phenylamino)carbonyl)propyl)azo)phenyl)-, monosodium salt 10190-69-9 EINECS 233-462-9 Sodium 6-methyl-2'-(4-((2-oxo-1-((phenylamino)carbonyl)propyl)azo)phenyl)(2,6'-bibenzothiazole)-7-sulphonate