6-chloro-furo[3,2-b]indole-2-carboxylic acid

ethyl 6-chloro-4H-furo[3,2-b]indole-2-carboxylate

糠酸

4-氯-2-硝基苯胺

ethyl 5-(2-amino-4-chlorophenyl)-2-furancarboxylate