2,2-Dimethyl-propionic acid (1S,4R)-4-(4-methoxy-benzyloxy)-4-((S)-2-methyl-oxiranyl)-1-((R)-2-methyl-oxiranyl)-butyl ester

2,2-Dimethyl-propionic acid (E)-(S)-6-hydroxy-5-methyl-1-((R)-2,2,4-trimethyl-[1,3]dioxolan-4-yl)-hex-4-enyl ester