Photoresist Chemicals Chromate(1-), (2,4-dihydro-4-((2-hydroxy-4-nitrophenyl)azo)-5-methyl-2-(3-(aminosulfonyl)phenyl)-3H-pyrazol-3-onato(2-))(2,4-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-5-methyl-2-(3-(aminosulfonyl)pheny Cas:72845-75-1 Molecular Formula: