2-((4-(3-Methoxy-2-pyridyl)butyl)amino)-5-((6-methyl-3-pyridyl)methyl)-4(1H)-pyrimidinone 4(1H)-Pyrimidinone, 2-((4-(3-methoxy-2-pyridinyl)butyl)amino)-5-((6-methyl-3-pyridinyl)methyl)- 71351-79-6 Icotidine Icotidine [USAN] SK&F 93319