1,5-Naphthalenedisulfonic acid,3-[[4-[[[4-[(1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinyl)azo]phenyl]sulfonyl]amino]-2-methylphenyl]azo]-

CAS No: 106182-67-6

naphthalenedisulfonic,dihydro,hydroxy,methyl,pyridinyl,phenyl,sulfonyl,amino,methylphenyl