3-pyridin-2-ylpyridine-4-carbaldehyde

N-[2-(diethylamino)ethyl]pyridine-4-carboxamide

potassium,(pyridine-4-carbonylamino)carbamodithioic acid

4-氯-2-(4-吡啶)-6-甲基嘧啶

N-(2-羟基乙基)异烟酰胺