2,4-二羟基-6-甲基甲酸乙酯

卡弗他丁A

7-hydroxy-5-methoxy-3H-2-benzofuran-1-one

2,7-dichloro-1,3,6-trihydroxy-8-methylxanthen-9-one

ethyl 2,3,4-trimethoxy-6-methylbenzoate