furfuryl-pteridin-4-yl-amine

9-(呋喃-2-基甲基)嘌呤-6-胺

5-benzyl-3-(furan-2-ylmethyl)-1,3,5-thiadiazinane-2-thione

3-溴-5-羟基吡啶

5-氯-3-羟基吡啶