7-甲氧基-2,2-二甲基苯并二氢吡喃-4-酮

7-hydroxy-2,2-dimethylchromene-6-carbaldehyde

泽兰色原烯

5-methoxy-2,2-dimethyl-1a,7b-dihydrooxireno[2,3-c]chromene

7-methoxy-2,2-dimethyl-4H-chromen-3-one