2-(2,5-dioxopyrrol-1-yl)-3-phenylpropanoic acid

马来磺胺噻唑

(E)-4-(2-aminoethylamino)-4-oxobut-2-enoic acid

5-chloro-8-hydroxynaphthalene-1,4-dione

5-chloro-8-hydroxy-6-methylnaphthalene-1,4-dione