493021-13-9

2,4-Heptadienoic acid,6-(acetyloxy)-7-[(1R,2S)-2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-1-methyl-5-oxocyclopentyl]-3-ethoxy-, 2-propenyl ester, (2Z,4E,6R)-