3DU8:
reference: First Cdc7 kinase inhibitors: pyrrolopyridinones as potent and orally active antitumor agents. 2. Lead discovery., Menichincheri M, Bargiotti A, Berthelsen J, Bertrand JA, Bossi R, Ciavolella A, Cirla A, Cristiani C, Croci V, D'Alessio R, Fasolini M, Fiorentini F, Forte B, Isacchi A, Martina K, Molinari A, Montagnoli A, Orsini P, Orzi F, Pesenti E, Pezzetta D, Pillan A, Poggesi I, Roletto F, Scolaro A, Tato M, Tibolla M, Valsasina B, Varasi M, Volpi D, Santocanale C, Vanotti E, J Med Chem. 2009 Jan 22;52(2):293-307. PMID: 19115845

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