1-(4-methylphenyl)sulfonyl-2-[3-[(3R,16S,19S)-2,5,14,15,18-pentaoxo-3-(2-phenylethyl)-1,4,13,17-tetrazabicyclo[17.3.0]docosan-16-yl]propyl]guanidine 在
氢氟酸 、
苯甲醚 作用下,
生成 N-[3-((5R,18S,20aS)-4,7,16,17,20-Pentaoxo-5-phenethyl-icosahydro-3a,6,15,19-tetraaza-cyclopentacyclononadecen-18-yl)-propyl]-guanidine