3-甲基-2-丁烯醛

2,4-二羟基苯甲醛

2,4-dihydroxy-5-(3-methylbut-2-en-1-yl)benzaldehyde

2-甲基-3-丁烯-2-醇

7-methoxy-2,2-dimethylchromene-6-carbaldehyde