Bis(4-antipyrylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid | 3,6-BIS[4-ANTIPYRYLAZO]-4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID DISODIUM SALT |
3,6-Bis((2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)azo)-4,5-dihydroxynaphthalene-2,7-disulphonic acid | 3,6-bis[(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonic acid |