Chemical Name: (4S,5R)-2,2-Dimethyl-4-phenyl-3,5-oxazolidinedicarboxylic Acid 5-[(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-[(triethylsilyl)oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl] 3-(1,1-dimethylethyl) Ester;3,5-Oxazolidinedicarboxylic acid, 2,2-dimethyl-4-phenyl-, 5-[6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-[(triethylsilyl)oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl] 3-(1,1-dimethylethyl) ester, [2aR-[2aα,4β,4aβ,6β,9α(4S*,5R*),11α,12α,12aα,12bα]]- 7,11-Methano-1H-cyclodeca[3,4]benz[1,2-b]oxete, 3,5-oxazolidinedicarboxylic acid deriv.;3-(tert-butyl) 5-((2aR,4S,4aS,6R,9S,11S,12S,12bS)-6,12b-diacetoxy-12-(benzoyloxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-((triethylsilyl)oxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl) (4S,5R)-2,2-dimethyl-4-phenyloxazolidine-3,5-dicarboxylate;