5,5-dimethoxy-2,4-dimethylpent-2-ene

3-(dimethoxymethyl)-1-methylcyclohexene

3-氯-4-甲氧基-1,2,5-噻二唑

methyl 4,4-dimethoxybut-2-enoate

1-chloro-5-methoxy-2,4-dinitrobenzene