AIDS-163614 AIDS163614 Boc-Ser-(2R, 3S)-AHPBA-NH-CH2-C6H11 {(S)-1-[(1R,2S)-1-Benzyl-2-(cyclohexylmethyl-carbamoyl)-2-hydroxy-ethylcarbamoyl]-2-hydroxy-ethyl}-carbamic acid tert-butyl ester