Benzenepropanoic acid, beta-(((1,1-dimethylethoxy)carbonyl)amino)-alpha-hydroxy-, (2aR,4S,4aR,6R,9S,11S,12S,12aS,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,4a ,6,11-tetrahydroxy-8,12a,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca(3,4)benz(1,2-b)oxet-9-yl ester, (alphaR)-, hydrate (1:3)