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1-O-{[(4aR,6aR,6bR,8R,8aS,21aR,23aR,23bS,25aS)-8,12,13,14,15,16,17-heptahydroxy-21a-(hydroxymethyl)-3,3,6b,23a,23b-pentamethyl-10,19-dioxo-2,3,4,4a,6,6b,7,8,8a,10,19,21,21a,21b,22,23,23a,23b,24,25-ico related products: