N-(dimethylcarbamoyl)-3-oxobutanamide

1-dibutylphosphoryl-N,N-dimethylmethanamine

3-[bis(dimethylamino)phosphoryl]-N,N-dimethylpropanamide

4-[chloro(dimethylamino)methylidene]-2-phenyl-1,3-oxazol-5-one

4-(dimethylamino)cyclohepta-2,4,6-trien-1-one