2-phenylquinoline-4,6-dicarboxylic acid

4-(benzylamino)benzoic acid

2,2,2-trichloroethyl 2-oxopropanoate

2-[[2-[[(苯基甲氧基)羰基]氨基]乙酰基]氨基]-2-丙烯酸

(2E)-2-(diaminomethylidenehydrazinylidene)propanoic acid