[2aR,4S,4aS,6R,9S(alphaR,betaS),11S,12S,12aR,12bS]-beta-(Benzoylamino)-alpha-hydroxybenzenepropanoic acid 12b-(acetoxy)-12-(benzoyloxy)-6-[2-[3H]-3-[3-(benzoyl)phenyl]propanoyloxy]-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tet