AIDS-215872 AIDS215872 Carbamic acid, [(1S,2S,4S)-4-[[(2,6-dimethyl-4-nitrophenoxy)acetyl]amino]-2-hydroxy-5-phenyl-1-(phenylmethyl)pentyl]-, (3R & 3S)(3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester