AIDS-184872 AIDS184872 Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one, 9-(acetyloxy)-5-(3,4-dihydroxy-5-methoxyphenyl)-5,8,8a,9-tetrahydro-, (5R,5aS,8aS,9R)-