1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-,4-[4-[[(6-diazo-5,6-dihydro-5-oxo-1-naphthalenyl)sulfonyl]oxy]benzoyl]-3-hydroxy-1,2-phenylene ester
CAS No. 104235-44-1