4-甲基-1,5-庚二烯

4,5-dimethyl-5-nitrohexan-2-one

(E)-4,5-dimethyl-5-nitrohex-2-ene

4-(6-methoxynaphthalen-2-yl)pentan-2-one

2-[(3E)-3-戊烯-2-基氧基]四氢-2H-吡喃