5-benzyloxy-6-hydroxy-2-(1-phenylcyclopentylmethyl)pyrimidine-4-carboxylic acid cyclopropyl(2-hydroxyethyl)amide 、 5-Benzyloxy-6-hydroxy-2-(1-phenyl-cyclopentylmethyl)-pyrimidine-4-carboxylic acid 5-benzyloxy-6-hydroxy-2-(1-phenyl-cyclopentylmethyl)-pyrimidine-4-carboxylic acid [2-(tert-butyl-dimethylsilanyloxy)-ethyl]-cyclopropylmethyl-amide 以The product was obtained as a light yellow sticky solid (300 mg, 96.93%)的产率得到5-benzyloxy-6-hydroxy-2-(1-phenylcyclopentylmethyl)pyrimidine-4-carboxylic acid cyclopropylmethyl(2-hydroxyethyl)amide