7-氮杂吲哚-2-酮

5,5-bis(pyridin-3-ylmethylsulfanylmethyl)imidazolidine-2,4-dione

2-氯-5-吡啶乙腈

1-[(3-吡啶)甲基]哌嗪

5-甲基-3-羟基吡啶