trimethylsilyl 3-((2,4-dimethoxybenzyl)(2-ethoxy-2-oxoethyl)amino)-3-oxopropanoate

{(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

<1R*-<1β,2α,4α,6β,7α,8β(2E,4E,8S*)>>-N-(2,4-dimethoxybenzyl)-N-(2-ethoxy-2-oxoethyl)-3-oxo-6-methyl-8-(1,2,7-trimethyl-5-oxo-3,9,10-trioxatricyclo<4.3.1.02,4>dec-8-yl)-4,6-nonadienamide