benzocyclobutene-1-carboxaldehyde p-toluenesulphonylhydrazone

7-(2-Propenyliden)bicyclo(2.2.1)hepta-2,5-dien

(1-(2-Methylcinnamoyl)prop-1-ylidene)triphenylphosphorane

dimethyl (1S,2S)-2,3-dihydro-1H-indene-1,2-dicarboxylate

β-石竹烯