78432-79-8 Oxireno(9,10)cyclodeca(1,2-b)furan-5-carboxylic acid, 1a-((acetyloxy)methyl)-7-(((2,3-dimethyloxiranyl)carbonyl)oxy)-1a,6,7,7a,8,9,10a,10b-octahydro-6-hydroxy-8-methylene-9-oxo-, methyl ester