Chemical Name: (αR,βS)-β-[[(1,1-Dimethylethoxy)carbonyl]amino]-α-[[(1,1-dimethylethyl)dimethylsilyl]oxy]benzenepropanoic Acid (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-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester;(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-((tert-butyldimethylsilyl)oxy)-3-phenylpropanoyl)oxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate;