zaragozic acid C

(1S,3S,4S,5R,6R,7R,4'R,5'R)-1-[4'-acetoxy-5'-methyl-6'-phenylhex-1'-yl]-3,4,5-tris(2,2-dimethylpropionyl)-4,6,7-trihydroxy-2,8-dioxabicyclo[3.2.1]octane

ethyl [3R,3(1R,2S),4S,8R]-3-[3-benzyloxy-1,2-(diethylmethylenedioxy)propyl]-8-(benzyloxymethyl)-6,6-dimethyl-1-oxo-2,5,7-trioxaspiro[3.4]octane-3-carboxylate

ethyl [3S,3(1R,2S),4S,8R]-3-[3-benzyloxy-1,2-(diethylmethylenedioxy)propyl]-8-(benzyloxymethyl)-6,6-dimethyl-1-oxo-2,5,7-trioxaspiro[3.4]octane-3-carboxylate

ethyl (2R,3S,4R)-5-benzyloxy-3,4-(dimethylmethylenedioxy)-2-hydroxy-3-methoxycarbonyl-2-(3-phenylpropyl)pentanoate