描述:
5-(6-diethylaminobenzofuran-2-ylcarbonyl)amino-1H-indole-2-carboxylic acid 以15.1 mg (83%)的产率得到Methyl (1S)-1-chloromethyl-3-[5-(6-diethylaminobenzofuran-2-ylcarbonyl)amino-1H-indol-2-ylcarbonyl]-5-hydroxy-7-trifluoromethyl-1,2,3,6tetrahydropyrrolo[3,2-e]indole-8-carboxylate