凯林

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

7-羟基-5-甲氧基-2-甲基-4-氧代-4H-1-苯并吡喃-6-甲醛

6-hydroxy-4-methoxy-1-benzofuran-5-carboxylic acid

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