ethyl E-3-(5-acetyl-2-ethoxy-4-hydroxyphenyl)-2-butenoate

ethyl E-3-(7-hydroxy-4-methyl-2-oxo-2H-1-benzopyran-6-yl)-2-butenoate

6-acetyl-7-hydroxy-2-(2-methoxyphenyl)chromen-4-one

1-[2,4-dihydroxy-5-(3-oxopentanoyl)phenyl]pentane-1,3-dione

泽兰色原烯