2-methyl-3a,4,5,6,7,7a-hexahydro-octahydro-1H-4,7-epoxyisoindole-1,3-dione

2-[bis(furan-2-yl)methyl]furan

1-(furan-2-yl)-4-methylpentan-1-one

6-methyl-4-oxohept-5-enal

(1S,2S,5R)-1-(prop-1-en-2-yl)-6-oxabicyclo[3.1.0]hexan-2-ol