(2,2,3-Trimethyl-cyclopent-3-enyl)-acetaldehydeCampholenaldehyde(2,2,3-Trimethylcyclopent-3-en-1-yl)acetaldehydealpha-Campholenaldehydealpha-campholenaldehyde2,2,3-Trimethylcyclopent-3-en-1-yl acetaldehydecampholenic aldehyde2,2,3-trimethyl-3-cyclopentene-1-acetaldehydealpha-campholenic aldehyde2-(2,2,3-trimethylcyclopent-3-en-1-yl)acetaldehyde