N,N'-羰基二咪唑 、 valine-tri-tert-butoxysilyl ester 、 arginine-(N
G-NO2)-tri-tert-butoxysilyl ester 、 4-phenyl-3-aminobutane-1,2-diol 、 alkaline earth salt of/the/ methylsulfuric acid 生成
(S)-2-(3-{(S)-1-[(S)-1-((S)-1-Benzyl-2,3-dihydroxy-propylcarbamoyl)-2-methyl-propylcarbamoyl]-4-guanidino-butyl}-ureido)-3-phenyl-propionic acid