27765-22-6 3-Methylbutanoic acid 4-((acetyloxy)methyl)-4a,5,6,7a-tetrahydrospiro(cyclopenta(c)pyran-7(1H),2'-oxirane)-1,6-diyl ester Butanoic acid, 3-methyl-, 4-((acetyloxy)methyl)-4a,5,6,7a-tetrahydrospiro(cyclopenta(c)pyran-7(1H),2'-oxirane)-1,6-diyl ester Isovaleric acid, 4a,5,6,7a-tetrahydro-4-(hydroxymethyl)spiro(cyclopenta(c)pyran-7(1H),2'-oxirane)-1,6-diyl ester acetate Spiro(cyclopenta(c)pyran-7(1H),2'-oxirane)-1,6-diol, 4a,5,6,7a-tetrahydro-4-(hydroxymethyl)-, 4-acetate diisovalerate