11-(2-hexyl-[1,3]dioxolan-2-yl)-undec-4-yn-1-ol

11-(2-hexyl-[1,3]dithian-2-yl)-1-(tert-butyldimethylsiloxy)undec-4-yne

(R,E)-13-(2-hexyl-[1,3]dioxolan-2-yl)-3-hydroxy-2-methylene-tridec-6-enoic acid 1,1,1,3,3,3-hexafluoroisopropyl ester