4-benzoyl-1-(4-methylphenyl)-3,4-diphenylazetidin-2-one

4-benzoyl-3,3-dichloro-1-(4-methoxyphenyl)-4-phenylazetidin-2-one

2-(benzylamino)-1,2-diphenyl-2-(pyridin-2-ylamino)ethanone

2,3,5,7,8-pentakis-phenylpyrido[3,4-b]pyrazine

5,7-bis(5-bromothiophen-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine