6-[4-benzyloxy-6-methoxymethoxymethyl-(2S,4R,6R)-2H,3H,4H,5H-2-pyranylmethyl]-(6R)-2H,5H-2-pyranone

Acrylic acid (R)-1-((2S,4R,6R)-4-benzyloxy-6-methoxymethoxymethyl-tetrahydro-pyran-2-ylmethyl)-but-3-enyl ester