4,4,5,5-tetramethyl-2-phenyl-1H-imidazole

1-methyl-2-phenyl-1,3-benzazaphosphole

2-苯基噁唑-4-羧酸甲酯

methyl 5,5-dimethyl-2-phenyl-4H-1,3-thiazole-4-carboxylate

1-methyl-5-phenyl-1,2,4,3-triazaphosphole