4-hydroxy-5-methoxymethoxy-9-methyl-dec-8-en-2-one

(S)-2-(methoxymethoxy)-6-methylhept-5-enal

(1-allyl-2-methoxymethoxy-6-methyl-hept-5-enyloxy)-triethyl-silane

1-(tert-butyl-diphenyl-silanyloxy)-6-methyl-hept-5-en-2-ol