2,2,4,6-tetraphenyl-1,2-dihydro-1,3,5-triazine

1-苯基-2-吡啶-2-基乙酮

2,2,4,5-Tetraphenyl-3-imidazolin

diphenyl-2,6 (dimethyl-4,6 pyridyl-2)-5 hydroxy-4 pyrimidine

triphenyl-2,2,6 (dimethyl-4,6 pyridyl-2)-5 dihydro-1,2 3H pyrimidone-4