115545-65-8
H-Asp-Gly-OBzl
+
115545-66-9
Z-Glp-Glu(OBzl)-NHNHBoc
→
115545-67-0
Z-Glp-Glu(OBzl)-Asp-Gly-OBzl
115545-64-7
Boc-Asp(O-1-Ada)-Gly-OBzl