1,1'-(2,4-吡啶二基)二乙酮

2,4,5-triacetylpyridine

1,1',1''-(2,4,6-吡啶三基)三乙酮

(2S)-2-amino-3-(2,3,5-trifluoro-4-hydroxyphenyl)propanoic acid

5-hydroxy-3-methyl-3H-1-benzofuran-2-one