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2-pyridinyl-6,7,8,9-tetrahydropyrimido{1,2-a}pyrimidin-4-one and 7-pyridinyl-2,3-dihydoimidazo{1,2-a}pyrimidin-5(1H)one derivatives

US Patent 6974819 · Granted Dec 13, 2005

Estimated economic value: $37,308,000

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