Mordant Red 94;MLZSKZDNSSWNQZ-BUFQOAPZSA-N;C.I.Mordant Red 94:C.I.18841;sodium p-[4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate;Benzenesulfonic acid, 4-4,5-dihydro-4-(2-hydroxy-5-methyl-3-nitrophenyl)azo-3-methyl-5-oxo-1H-pyrazol-1-yl-, monosodium salt;4-[3-methyl-4-[(2E)-2-(3-methyl-5-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazinyl]-5-oxo-4H-pyrazol-1-yl]benzenesulfonate;sodium,4-[3-methyl-4-[(2E)-2-(3-methyl-5-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazinyl]-5-oxo-4H-pyrazol-1-yl]benzenesulfonate