3,5-ditert-butyl-4-imino-1-phenylcyclohexa-2,5-dien-1-ol

2,2'-Naphthil

1-naphthalen-2-yl-2-phenylethane-1,2-dione

4,4-dimethyl-2-(4-phenyl-4H-pyridin-3-ylidene)-1,3-oxazolidine

3-(4,4-dimethyloxazolin-2-yl)-2-phenyl-1,2-dihydropyridine