AIDS-005436 AIDS005436 N-[2-[5-[1(R/S)-[[(Serinylalaninyl)alaninyl]amino]-2-phenyl-1-ethyl]-2-oxo-2,3,6,7-tetrahydro-1H-azepin-1-yl]-3-methylbutyryl]valine, methyl ester Ser-Ala-Ala-NH-Azepin, Val deriv.