1-(4-methylpyridin-2-yl)-3-phenylurea

2-氯-3-硝基-4-吡啶羧酸

3,7-Dimethylimidazo[1,2-a]pyridine

N-(4-甲基吡啶-2-基)硝酰胺

N,N-dimethyl-N'-(4-methylpyridin-2-yl)methanimidamide