(R,E)-ethyl 3-(1-(tert-butyldimethylsiloxy)octan-2-yloxy)acrylate

(R,E)-2-(3-ethoxy-3-oxoprop-1-enyloxy)octanoic acid

(R,E)-ethyl 3-(1-diazo-2-oxononan-3-yloxy)acrylate

(1S,3R,5S,6S)-ethyl 3-hexyl-4-oxo-2-oxabicyclo[3.1.0]hexane-6-carboxylate

(1S,3R,4S,5R,6S)-ethyl 3-hexyl-4-hydroxy-2-oxabicyclo[3.1.0]hexane-6-carboxylate