110-86-1
吡啶
+
541-41-3
氯甲酸乙酯
→
31889-45-9
ethyl 4-(1-ethoxycarbonyl-4H-pyridin-4-yl)-4H-pyridine-1-carboxylate
63755-30-6
ethyl pyridin-1-ium-1-carboxylate,chloride
553-26-4
4,4'-联吡啶
71190-53-9
N,N'-bis(carboxyethyl)-4,4'-bipyridyl