3-hydroxy-4,7a-dimethyl-6,7-dihydro-3H-2-benzofuran-1,5-dione

4-oxo-1,2,3-trimethyl-2-cyclohexene-1-carboxylic acid

1,1-(ethylenedioxy)-2,4-dimethyl-3,4-bis(hydroxymethyl)-2-cyclohexene

3-bromo-4,8-dimethyl-1,5-dioxo-2-oxabicyclo<4.3.0>non-4(9)-ene

(7E,9Z)-trisporic acid B