84434-25-3 | sodium alpha-methyl 5-[[6-methoxy-3-(4-sulphonato-2-butyl)benzoxazol-2(3H)-ylidene]ethylidene]-3-methyl-4-oxo-2-thioxoimidazolidin-1-ylacetate | sodium alpha-methyl 5-[[6-methoxy-3-(4-sulphonato-2-butyl)benzoxazol-2(3H)-ylidene]ethylidene]-3-methyl-4-oxo-2-thioxoimidazolidin-1-ylacetate |