Diethyl (3R,5S,6S,7S)-3,5,7-Trimethyl-2,8-dioxo-6-<2-(trimethylsilyl)ethoxymethoxy>octylphosphonate

2-Propenyl (2E,4S,5S,6S,8R)-10-(Diethoxyphosphoryl)-4,6,8-trimethyl-9-oxo-5-<2-(trimethylsilyl)ethoxymethoxy>-2-decenoate