1UPJ:
reference: Structure-based design of novel HIV protease inhibitors: carboxamide-containing 4-hydroxycoumarins and 4-hydroxy-2-pyrones as potent nonpeptidic inhibitors., Thaisrivongs S, Watenpaugh KD, Howe WJ, Tomich PK, Dolak LA, Chong KT, Tomich CC, Tomasselli AG, Turner SR, Strohbach JW, et al., J Med Chem 1995 Sep 1;38(18):3624-37. PMID: 7658450

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