7-methoxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxylic acid 、
2-氨基-3-(4-羟基苯基)丙酸甲酯 以to afford the desired product (15 mg, 6% yield) as a light yellow solid的产率得到methyl 2-[7-hydroxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxamido]-3-(4-hydroxyphenyl)propanoate