3-(4-{3-methoxy-4-[3-(2-methylphenyl)ureido]phenylacetylamino}phenyl)-3-(pyridine-3-carbonylamino)-propanoic acid tert-butyl butyl ester 生成
3-(4-{3-methoxy-4-[3-(2-methylphenyl)ureido]phenylacetylamino}phenyl)-3-(pyridine-3-carbonylamino)-propanoic acid trifluoroacetate salt