3KJS:
reference: Synthesis and characterization of potent inhibitors of Trypanosoma cruzi dihydrofolate reductase., Schormann N, Velu SE, Murugesan S, Senkovich O, Walker K, Chenna BC, Shinkre B, Desai A, Chattopadhyay D, Bioorg Med Chem. 2010 Jun 1;18(11):4056-66. Epub 2010 Apr 9. PMID: 20452776

This OCA Structure page
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