顺芷酸酐

5,6,8-trimethoxy-3,4,7-trimethylisocoumarin

(E)-2-methyl-1-(2,4,5-trimethoxy-3-methylphenyl)but-2-en-1-one

(E)-2-methyl-1-(2,3,5-trimethoxy-4-methylphenyl)but-2-en-1-one