Synonyms:
sodium 3-nitro-4-[[1-(phenylcarbamoyl)acetonyl]azo]benzenesulphonate ; benzenesulfonic acid,3-nitro-4-[2-[2-oxo-1-[(phenylamino)carbonyl]propyl]diazenyl]-, sodium salt(1:1) ; benzenesulfonicacid, 3-nitro-4-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo]-, monosodium salt(9ci)