2-苯基-6,7-二氢-1氢-吲哚-4(5氢)-酮

2-苯基氮丙啶

2,5-diphenyl-4,5-dihydro-1,3-oxazole

2,4-diphenyl-4,5-dihydro-1,3-oxazole

2,5-二苯基-1H-吡咯