5-苯基-2-(4-吡啶)噁唑

1-甲基哌啶-4-甲酸

2-(4-吡啶基)-7-氮杂苯并咪唑

2-methoxy-N-phenylpyridine-4-carboxamide

2-氧代-1,2-二氢吡啶-4-羧酸肼