安息香双甲醚

2-苯基-2-对甲苯磺酰氧基苯乙酮

3-(2-吡啶基)-5,6-二苯基-1,2,4-三嗪

5-acetyl-3,4-diphenyl-1H-pyridazin-6-one

6-oxo-3,4-diphenyl-1H-pyridazine-5-carboxylic acid