p. 7211 - 7215
(2000)2-[3-(2,2-dimethoxy-ethyl)-buta-1,3-dienyl]-1,3,3-trimethylcyclohexene
(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal
dimethyl isopropylidenemalonate
(4E)-3-methylene-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-4-pentenal