16923-74-3 | Chromate(2-),[N-[4-[4,5-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]phenyl]-2-propenamidato(2-)][3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydrobenzenesulfonato(3-)]-,dihydrogen (9CI) | C35H25 Cr N10 O10 S . 2 H |