AIDS-088897 AIDS088897 C6-MAD {[5-(6-Amino-purin-9-yl)-3,4-dihydroxy-tetrahydro-furan-2-ylmethoxy]-hydroxy-phosphorylmethyl}-phosphonic acid mono-[(E)-6-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-isobenzofuran-5-yl)-4-methyl-hex-4-enyl] ester