(2R,3R)-2-hydroxymethyl-3-vinyl-γ-butyrolactone

(4R,5R)-5-Hydroxymethyl-4-(R)-oxiranyl-dihydro-furan-2-one

2(3H)-Furanone, 4-ethenyldihydro-5-methyl-, (4R-cis)-

(2S,3S,4R)-4-((E)-2-Methoxy-vinyl)-3-vinyl-hept-6-en-2-ol

(4R,5S,6S)-4-Allyl-6-methyl-5-vinyl-tetrahydro-pyran-2-one