2-(4-{2-[2-Ethyl-5'-(6-hydroxy-6-hydroxymethyl-3,5-dimethyl-tetrahydro-pyran-2-yl)-3'-methyl-octahydro-[2,2']bifuranyl-5-yl]-9-hydroxy-2,8-dimethyl-1,6-dioxa-spiro[4.5]dec-7-yl}-3-methoxy-2-methyl-pentanoylamino)-3-phenyl-propionic acid 生成
2-Phenylmethylmonensinamidoacetic acid-1,29-lactone