4-[tert-butyl(diphenyl)silyl]oxypentanoyl chloride

8-hydroxy-1-methoxynon-1-en-3-yn-5-one

2-methyl-1,10-dioxaspiro[4.5]dec-8-en-7-one

5-methyl-3-prop-2-enyloxolan-2-ol

5-(iodomethyl)-2-methyl-2,3,3a,4,5,6a-hexahydrofuro[2,3-b]furan