((2S,3S)-2-Amino-3-methoxy-butanoyl)-sulfamic acid, (2R,3S,4R,5S)-3,4-dihydroxy-5-{2-[5-(4-phenoxy-phenyl)-tetrazol-2-yl]-ethyl}-tetrahydro-furan-2-ylmethyl ester AIDS-104619 AIDS104619