1,2,5-triaminopyrrole-3,4-dicarbonitrile

5-amino-2,2-dimethylfuran-3,3,4-tricarbonitrile

2-amino-1,5-diphenylpyrrole-3,4-dicarbonitrile

2-amino-5-(furan-2-yl)-1-phenylpyrrole-3,4-dicarbonitrile

3-amino-4-hydroxy-5,6,7,7a-tetrahydroindene-1,1,2-tricarbonitrile