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Home › 5H,10H-imidazo[1,2-a]indeno[1,2-e]pyrazine-4-one derivatives, preparation thereof, intermediates thereof and drugs containing the same

5H,10H-imidazo[1,2-a]indeno[1,2-e]pyrazine-4-one derivatives, preparation thereof, intermediates thereof and drugs containing the same

US Patent 5990108 · Granted Nov 23, 1999

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