methyl 6-cyano-7-(4-((2,3-dihydro-1H-inden-2-yl)methylcarbamoyl)phenoxy)chroman-4-carboxylate 、
4-(6-cyano-4-(methoxycarbonyl)chroman-7-yloxy)benzoic acid 以to provide the title compound (74 mg, 99% yield) as a solid的产率得到6-cyano-7-(4-((2,3-dihydro-1H-inden-2-yl)methylcarbamoyl)phenoxy)chroman-4-carboxylic acid