Desmopressin EP Impurity A

Chemical Name: ((4R,7S,10S,13S,16S)-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13-benzyl-16-(4-hydroxybenzyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)-L-prolyl-D-arginylglycine

Smile: O=C(O)CNC([C@@H](CCCNC(N)=N)NC([C@H]1N(C([C@@H](NC([C@H](CC(N)=O)NC([C@H](CCC(N)=O)NC([C@H](CC2=CC=CC=C2)NC([C@H](CC3=CC=C(O)C=C3)N4)=O)=O)=O)=O)CSSCCC4=O)=O)CCC1)=O)=O