6B4N:
reference: Design, synthesis, biological evaluation, and X-ray studies of HIV-1 protease inhibitors with modified P2'-ligands of Darunavir., Ghosh AK, Fyvie WS, Brindisi M, Steffey M, Agniswamy J, Wang YF, Aoki M, Amano M, Weber IT, Mitsuya H, ChemMedChem. 2017 Nov 6. doi: 10.1002/cmdc.201700614. PMID: 29110408

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