5-(4-氯苯基)-1,3-恶唑

4-phenyl-1H-pyrrole-3-carbonitrile

4-甲基-1H-吡咯-3-羧酸甲酯

2-(5-methyl-3-tritylimidazol-4-yl)ethanol

2-(5-methyl-1-trityl-1H-imidazol-4-yl)ethan-1-ol