(4R,5S)-4-allyl-5-((S)-2-methylbut-3-ynyl)-dihydrofuran-2(3H)-one

(3aR,7S,8aS,Z)-7-methyl-6-vinyl-3a,4,8,8a-tetrahydro-3H-cyclohepta[b]furan-2(7H)-one

(2S,3R)-3-allyl-5-butoxy-2-((S)-2-methylbut-3-ynyl)-tetrahydrofuran

(3S,3aR,7S,8aS,Z)-3,7-dimethyl-6-vinyl-3a,4,8,8a-tetrahydro-3H-cyclohepta[b]furan-2(7H)-one

(S)-3-((2S,3R)-3-allyl-5-butoxy-tetrahydrofuran-2-yl)-2-methylpropanal