(S)-[(S)-2-Amino-3-((E)-3-methoxycarbonyl-allanoylamino)-propanoylamino]-[3,4-dihydroxy-5-(5-hydroxymethyl-2,4-dioxo-3,4-dihydro-2-H-pyrimidin-1-yl)-tetrahydro-furan-2-yl]-acetic acid AIDS-087998 AIDS087998 N3-(4-Methoxyfumaroyl)-L-2,3-diaminopropanoyl-UPOC