138228-18-9 AIDS-003433 AIDS003433 KNI 122 KNI-122 L-Valinamide, L-seryl-L-phenylalanyl-L-asparaginyl-(2R,3S)-2-hydroxy-4-phenyl-3-aminobutanoyl-L-prolyl-L-isoleucyl- Phenylnorstatin deriv. Ser-Phe-Asn-Pns-Pro-Ile-Val-NH2