ethyl (1S,3R,4R,5R,6R,7R)-3-{5,6-dimethyl-7-ethyl-6-hydroxy-4-(4-methoxybenzyloxy)-2,8-dioxabicyclo[3.3.0]oct-3-yl}-prop-2-enoate

(1S,3R,4R,5R,6R,7R)-3-(3-acetoxyprop-1(E)-enyl)-4,6-bis(trimethylsiloxy)-5,6-dimethyl-7-ethyl-2,8-dioxabicyclo[3.3.0]octane

astelotoxin bis(trimethylsilyl) ether