127882-83-1 AIDS-058891 AIDS058891 Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one, 5,8,8a,9-tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-9-[(4-hydroxyphenyl)thio]-, [5R-(5.alpha.,5a.beta.,8a.alpha.,9.beta.)]-