ethyl iodide
1,4-dithioketo-3,6-diphenyl-pyrrolo-<3,4-c>-pyrrole
α,α-diethoxy-N,N-dimethylbenzenemethanamine
N,N'-Bis-[1-dimethylamino-1-phenyl-meth-(E)-ylidene]-succinamide
2,5-dibenzyl-3,6-diphenylpyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione
2-(4-Ethylsulfanyl-3,6-diphenyl-5H-pyrrolo[3,4-c]pyrrol-1-ylidene)-malononitrile
2-Cyano-3-[4-(2,2-dicyano-1-ethylsulfanyl-vinyl)-2-ethylsulfanyl-5-phenyl-1H-pyrrol-3-yl]-3-phenyl-acrylonitrile
2-(1,4-Bis-ethylsulfanyl-3,6-diphenyl-1,5-dihydro-pyrrolo[3,4-c]pyrrol-1-yl)-malononitrile