5-{[1-(tert-butyl)-1,1-dimethylsilyl]oxy}-2,2-dimethyl-1-pentanol

6,6-dimethoxy-3,3-dimethyl-hex-1-ene

tert-butyl-(4,4-dimethylhex-5-enyloxy)-dimethylsilane

ethyl 5-hydroxy-2,2-dimethylpentanoate

5-(tert-butyl-dimethylsilanyloxy)-2,2-dimethylpentanal