(2E*,4R*,5R*,6R*,7S*,9Z)-5,7-bis((tert-butyldimethylsilyl)oxy)-11,11-dimethoxy-2,4,6,10-tetramethyl-8-oxo-2,9-dodecadienol

(2R*,3R*,4S*,5R*,7Z)-3,5-bis((tert-butyldimethylsilyl)oxy)-9,9-dimethoxy-2,4,8-trimethyl-6-oxo-7-decenal

<4R*(1S*,2S*,4R*,6S*,7R*,8R*),2E>-2-methyl-4-(1,2,7-trimethyl-5-oxo-3,9,10-trioxatricyclo<4.3.1.0(2,4)>dec-8-yl)-2-penten-1-yl acetate

(2E*,4R*,5R*,6R*,7S*,9Z)-5,7-bis((tert-butyldimethylsilyl)oxy)-11,11-dimethoxy-2,4,6,10-tetramethyl-8-oxo-2,9-dodecadienal

(2E*,4R*,5R*,6R*,7S*,9Z)-5,7-bis((tert-butyldimethylsilyl)oxy)-11,11-dimethoxy-2,4,6,10-tetramethyl-8-oxo-2,9-dodecadienyl acetate