2-Propenoic acid, 2-(((((3-(8,8-dimethoxy-3-oxo-9-oxa-4-thia-2-aza-8-siladec-1-yl)-3,5,5-trimethylcyclohexyl)amino)carbonyl)oxy)methyl)-2-(((1-oxo-2-propenyl)oxy)methyl)-1,3-propanediyl ester 247059-29-6