{2-[3-Cyclopentylethyl-3-(3,4-difluoro-phenyl)-ureido]-thiazol-5-ylsulfanyl}-acetic acid ethyl ester 、 {2-[3-cyclopentylmethyl-3-(4-methanesulfonyl-phenyl)-ureido]-thiazol-4-yl}-acetic acid 、
N-(2-Cyclopentylethyl)-3,4-difluoroaniline 、
2-(2-氨基噻唑-5-硫基)乙酸乙酯 生成 {2-[3-(2-cyclopentylethyl)-3-(3,4-difluoro-phenyl)-ureido]-thiazol-5-ylsulfanyl}-acetic acid