ethyl 6,7,8-trifluoro-1-(2-fluoroethyl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

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

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

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