7-methoxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxylic acid 、
2-羟乙胺丙胺 以to afford the desired product (31 mg, 15% yield) as a yellow-brown solid的产率得到7-hydroxy-N-[3-(2-hydroxyethylamino)propyl]-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxamide