3,3',5,5'-TETRA-TERT-BUTYL-4,4'-STILBENEQUINONE

3,3-BIS(METHYLTHIO)-2-[3-(TRIFLUOROMETHYL)BENZOYL]ACRYLONITRILE

3,3-BIS(P-HYDROXYPHENYL)OXINDOLE

3,3-DI(ETHYLTHIO)-2-(2-PYRIDYL)ACRYLONITRILE

3,3-DIFLUOROPYRROLIDINE HYDROCHLORIDE

3,3'-DIPENTYLOXACARBOCYANINE IODIDE