diethyl 4-methylcyclohex-3-ene-1,1-dicarboxylate

4-(4-methylcyclohex-3-en-1-yl)pyridine

2,2,6-trimethyl-3,4-dihydrochromene

4-methyl-2-(3-methylbut-2-enyl)phenol

1-acetoxy-4-chloro-2-methyl-2-butene