| 4TU5: reference: Nonracemic Antifolates Stereoselectively Recruit Alternate Cofactors and Overcome Resistance in S. aureus., Keshipeddy S, Reeve SM, Anderson AC, Wright DL, J Am Chem Soc. 2015 Jul 8. PMID: 26098608 |
This OCA 
Structure page
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(documentation).