1-{(2S,3S)-3-[(tert-Butoxycarbonyl)amino]-2-hydroxy-4-phenylbutanoyl}-L-prolyl-N1-(cyclohexylmethyl)-L-valinamide- AIDS-163632 AIDS163632 Boc-(2S, 3S)- AHPBA-Pro-Ile-NH-CH2-C6H11