(E)-(4R,5R)-4-[(2R,3R,4S,5R,6R)-5-(tert-Butyl-dimethyl-silanyloxy)-3,4-dimethoxy-6-methyl-tetrahydro-pyran-2-yloxymethyl]-5-hydroxy-2-methyl-hept-2-enal

(3aR,5R,7E,9E,11R,12R,16R,17S,17aS)-12-ethyl-16-hydroxy-11-((((2R,3R,4R,5R,6R)-5-hydroxy-3,4-dimethoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)-5,9,17-trimethyl-3,3a,11,12,15,16,17,17a-octahydro-4H-furo[2,3-f][1]oxacyclohexadecine-2,6,14(5H)-trione

(E)-(4R,5R)-5-Acetoxy-4-hydroxymethyl-2-methyl-hept-2-enoic acid ethyl ester