Isoacronylin

Dihydroevodionol

(7-Hydroxy-5-methoxy-2,2-dimethylchroman-6-yl)(methyl) ketone

3,4-Dihydro-2,2-dimethyl-5-methoxy-6-acetyl-2H-1-benzopyran-7-ol

1-(3,4-Dihydro-7-hydroxy-5-methoxy-2,2-dimethyl-2H-1-benzopyran-6-yl)ethanone