carbon monoxide

双戊烯

新柠檬醛; 3-(4-甲基-3-环己烯基)丁醛; beta,4-二甲基-3-环己烯-1-丙醛

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

4-methylcyclohex-3-ene-1-carboxylic acid