7-(3-hydroxypropoxy)-2H-1-benzopyran-2-one

(+/-)-7-(3,4-dihydroxybutyloxy)-2H-1-benzopyran-2-one

7-羟基香豆素

7-(4-oxopentoxy)chromen-2-one

7-[3-(2-methyl-1,3-dioxolan-2-yl)propoxy]chromen-2-one