(Z)-4-(tert-Butyl-dimethyl-silanyloxymethyl)-hex-4-enoic acid ethyl ester

(Z)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-3-hydroxy-2-methylene-oct-6-enenitrile

Acetic acid (Z)-4-(tert-butyl-dimethyl-silanyloxymethyl)-1-(1-cyano-vinyl)-hex-4-enyl ester