AIDS-184871 AIDS184871 Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one, 9-(acetyloxy)-5-[5a,6,7,8,9,9a-hexahydro-4-methoxy-5a-(4-morpholinyl)dibenzo[b,e][1,4]dioxin-2-yl]-5,8,8a,9-tetrahydro-, (5R,5aS,8aS,9R)-