Diisopropyl-[(Z)-5-(6-methyl-1,4,8,11-tetraoxa-dispiro[4.1.4.3]tetradec-6-yl)-pent-2-enyl]-p-tolyl-silane

2-[(Z)-5-(Diisopropyl-p-tolyl-silanyl)-pent-3-enyl]-2-methyl-cyclohexane-1,3-dione

6-((Z)-5-Chloro-pent-3-enyl)-6-methyl-1,4,8,11-tetraoxa-dispiro[4.1.4.3]tetradecane

2-[(Z)-5-(Diisopropyl-phenyl-silanyl)-pent-3-enyl]-2-methyl-cyclohexane-1,3-dione

2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione