6HOW:
reference: Structural Insights into the Development of Cycloguanil Derivatives as Trypanosoma brucei Pteridine-Reductase-1 Inhibitors., Landi G, Linciano P, Borsari C, Bertolacini CP, Moraes CB, Cordeiro-da-Silva A, Gul S, Witt G, Kuzikov M, Costi MP, Pozzi C, Mangani S, ACS Infect Dis. 2019 May 1. doi: 10.1021/acsinfecdis.8b00358. PMID: 31012301

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