(1S,7R)-4-[(3-Methylbutyryloxy)methyl]-4aα,5,6,7aα-tetrahydrospiro[cyclopenta[c]pyran-7(1H),2'-oxirane]-1α,6α-diol 1-(3-methylbutanoate)6-acetate

3-Methylbutanoic acid (1S,7R)-6α-acetyloxy-4aα,5,6,7aα-tetrahydro-4-[(3-methyl-1-oxobutoxy)methyl]spiro[cyclopenta[c]pyran-7(1H),2'-oxiran]-1α-yl ester