1-cyano-1-(p-cyanophenyl)-2,2-diphenyethylene

3,10-dicyano-9-phenylphenanthrene

10-cyano-3-methoxy-9-phenylphenanthrene

1-methoxy-4-(1,2,2-triphenylethenyl)benzene

1-methoxy-4-[1-(4-methoxyphenyl)-2,2-diphenylethenyl]benzene