138355-95-0 AIDS-058888 AIDS058888 Benzoic acid, 4-[[1,3,3a,4,9,9a-hexahydro-9-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-1-oxonaphtho[2,3-c]furan-4-yl]amino]-, ethyl ester, [3aS-(3a.alpha.,4.beta.,9.alpha.,9a.beta.)]- Naphtho[2,3-c]furan, benzoic acid deriv.