英文名称
tetrasodium;4-[(2Z)-2-[3-[[2-carboxy-4-[[3-carboxy-4-[[(3Z)-6-oxido-4-oxo-3-[(4-sulfonatophenyl)hydrazinylidene]cyclohexa-1,5-dien-1-yl]diazenyl]phenyl]methyl]phenyl]diazenyl]-4-oxido-6-oxocyclohexa-2,4-dien-1-ylidene]hydrazinyl]benzenesulfonate