Figure 2

(A) Synthesis of methyl 1-(4-aminophenyl)-1H-indazole-3-carboxylate for use in coupling with synthesized (B) para-ureido carboxylic acids 7a–7k. (C) Synthesis of N-phenylindazole diarylureas 8a–k.
(A) Synthesis of methyl 1-(4-aminophenyl)-1H-indazole-3-carboxylate for use in coupling with synthesized (B) para-ureido carboxylic acids 7a–7k. (C) Synthesis of N-phenylindazole diarylureas 8a–k.