3-Butyl-1-ethyl-5-[2-(3-sulfobutyl-benzo[1,3]oxazolin-2-ylidene)-ethylidene]-2-thioxo-imidazolidin-4-one potassium salt

3-butyl-1-ethyl-5-(2-(3-sulfobutylbenzo[1.3]oxazolin-2-ylidene)ethylidene)-2-thioxoimidazolidin-4-onepotassiumsalt ; 3(2h)-benzoxazolebutanesulfonicacid, 2-[2-(1-butyl-3-ethyl-5-oxo-2-thioxo-4-imidazolidinylidene)ethylidene]-,potassium salt (1:1) ; 3-butyl-1-ethyl-5-[2-(3-sulfobutyl-benzo[1,3]oxazolin-2-ylidene)-ethylidene]-2-thioxo-imidazolidin-4-one potassium salt ; 3-butyl-1-ethyl-5-[3-(4-sulfobutyl)-2-benzoxazolylidene]ethylidene-2-thiohydantoinepotassiumsalt ; 3(2h)-benzoxazolebutanesulfonicacid, 2-[(1-butyl-3-ethyl-5-oxo-2-thioxo-4-imidazolidinylidene)ethylidene]-,potassium salt (9ci)