1,1-Dimethyl-6-methylen-cyclohexadien-(2,4)

methyl 4-(4,5-dihydro-1,2-oxazol-3-yl)benzoate

5,6,8,9-tetrahydrospiro-4'-methylene(7H-benzocycloheptene-7,1'-cyclohexa-2',5'-diene)

6,6-dimethylcyclohexa-2,4-dien-1-one