1-(4-Methyoxyphenyl)-2-[[N-(methoxycarbonyl)-L-valinyl]amino]-4(S)-hydroxy-5(S)-[[N-(quinolin-2-ylcarbonyl)-L-asparaginyl]amino-6-phenyl-4-azahexane AIDS-030829 AIDS030829 Val HOEt-N2 aza-peptide isostere