AIDS-004115 AIDS004115 L685,434 deriv. N-[2(R)-Hydroxy-1(S)-indanyl)-5(S)-[(tert-butyloxycarbonyl)amino]-4(S)-hydroxy-6-phenyl-2(R)-[[4-[2-(thiamorpholin-4-yl)ethoxy]phenyl]methyl]hexanamide