p. 9022 - 9024
(1990)(2R,3S,3aR,8bR)-6,8-Dimethoxy-3a-(4-methoxy-phenyl)-1-oxo-3-phenyl-8b-trimethylsilanyloxy-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan-2-carboxylic acid dimethylamide
(3aR,8bR)-6,8-Dimethoxy-3a-(4-methoxy-phenyl)-1-oxo-3-phenyl-8b-trimethylsilanyloxy-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan-2-carboxylic acid dimethylamide
(2S,3R,3aR,8bR)-6,8-Dimethoxy-3a-(4-methoxy-phenyl)-1-oxo-3-phenyl-8b-trimethylsilanyloxy-2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan-2-carboxylic acid methyl ester
(2R,3S,3aR,8bR)-methyl 6,8-dimethoxy-3a-(4-methoxyphenyl)-1-oxo-3-phenyl-8b-((trimethylsilyl)oxy)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-2-carboxylate
(2S,3S,3aR,8bR)-6,8-Dimethoxy-3a-(4-methoxy-phenyl)-1-oxo-3-phenyl-8b-trimethylsilanyloxy-1,3,3a,8b-tetrahydro-benzo[b]cyclopenta[d]furan-2,2-dicarboxylic acid benzyl ester methyl ester