N-(4-(N-(4-acetamidophenyl)sulfamoyl)phenyl)acetamide

2-diazonio-1-[(2-methylpropan-2-yl)oxy]-3-oxobut-1-en-1-olate

(E)-2-diazonio-1,5-dimethoxy-1,5-dioxopent-2-en-3-olate

2-diazonio-1-prop-2-enoxyethenolate

2-diazonio-2-dimethoxyphosphoryl-1-methoxyethenolate