{(2,4-Dimethoxy-benzyl)-[(4E,6E)-(S)-6-methyl-3-oxo-8-((3aR,5S,6S,6aR)-2,2,6-trimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-nona-4,6-dienoyl]-amino}-acetic acid ethyl ester

<2R*-<2α(1S*,2S*,3S*),5α,6β>>-5,6-dimethyl-6-methoxy-3-oxo-2-(acetoxy-1,3-dimethylhex-4-ynyl)tetrahydro-2H-pyran