凯林

isokhellin

1-(4-ethoxy-6-hydroxy-7-methoxy-1-benzofuran-5-yl)ethanone

9-ethoxy-4-hydroxy-7-methylfuro[3,2-g]chromen-5-one

4,9-二乙氧基-7-甲基呋喃[3,2-g]色烯-5-酮