AIDS-003963 AIDS003963 L-685,434 deriv. N-[2(R)-Hydroxy-1(S)-indanyl]-5(S)-[[(1,1-dimethylethoxy)carbonyl]amino]-4(S)-hydroxy-6-phenyl-2(R)-[3-[4-(morpholinoethoxy)phenyl]prop-2-ene-1-yl]hexanamide