3-(4-fluorophenyl)-7-hydroxy-2H-chromen-2-one

3-hydroxy-4-methyl-8,9,10,11-tetrahydrocyclohepta[c]chromen-6(7H)-one

4'-tert-butyl-7-hydroxyspiro[chromene-2,1'-cyclohexan]-4(3H)-one

N-Acetyl-D-norvaline

N-乙酰-DL-正缬氨酸

1-benzyl-1H-indole-5-carboxylic acid

N-{[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetyl}glycine

(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