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Substituted imidazo[4',5':4,5]cyclopenta[1,2-e]pyrrolo[1,2-a]pyrazines and oxazolo[4',5':4,5]cyclopenta[1,2-e]pyrrolo[1,2-a]pyrazines for treating brain cancer

US Patent 9464093 · Granted Oct 11, 2016

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