(2S)-2-(3-oxo-1,2-benzisothiazol-2(3H)-yl)propanoic acid

7-chloro-1,3-dihydroxy-9H-xanthen-9-one

5,7-dihydroxy-3,4-dimethyl-2H-chromen-2-one

3-(4,11-dimethyl-2-oxo-6,7,8,9-tetrahydro-2H-[1]benzofuro[3,2-g]chromen-3-yl)propanoic acid

1-(2,3,4-trihydroxyphenyl)ethanone

2',3',4'-三羟基苯乙酮

(2S)-({[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetyl}amino)(phenyl)acetic acid

methyl (6-oxo-3-phenylpyridazin-1(6H)-yl)acetate

6,7-dihydroxy-4-propyl-2H-chromen-2-one

5-methoxy-8,8-dimethyl-4-phenyl-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-2-one

{4-methyl-7-[(2-methylprop-2-en-1-yl)oxy]-2-oxo-2H-chromen-3-yl}acetic acid