2-氨基吲哚-3-羧酸乙酯

2,1-苯并异恶唑-3-羧酸

1-hydroxy-2-[4-(trifluoromethyl)phenyl]indole-3-carbonitrile

cinnolin-3-amine

ethyl 2-amino-1-hydroxyindole-3-carboxylate