Fig. (1).
Chemical structure of HIV-1 protease inhibitors. 1: Saquinavir; 2: Ritonavir; 3: Indinavir; 4: Nelfinavir; 5: Amprenavir; 6: Lopinavir; 7: Fosamprenavir; 8: Atazanavir; 9: Tipranavir; 10: Darunavir.
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