(2E,4Z)-ethyl 4-methylhexa-2,4-dienoate

ethyl (2E,4R,5R)-4-hydroxy-5-[(methylsulfonyl)oxy]-4-methylhex-2-enoate

(E)-ethyl 3-((2S,3R)-2,3-dimethyloxiran-2-yl)acrylate

(E,4S,5R)-ethyl 4,5-dihydroxy-4-methylhex-2-enoate

(E)-ethyl 3-((4S,5R)-4,5-dimethyl-2-oxo-1,3-dioxolan-4-yl)acrylate