Ganirelix Acetate Impurity B

Chemical Name: (2S,5S,8R,11R,14R)-2-(4-(tert-butoxy)benzyl)-5-(tert-butoxymethyl)-11-(4-chlorobenzyl)-14-(naphthalen-2-ylmethyl)-4,7,10,13,16-pentaoxo-8-(pyridin-3-ylmethyl)-3,6,9,12,15-pentaazaheptadecanoic acid

Smile: O=C(N[C@@H](C(N[C@@H](C(N[C@@H](COC(C)(C)C)C(N[C@H](C(O)=O)CC1=CC=C(OC(C)(C)C)C=C1)=O)=O)CC2=CN=CC=C2)=O)CC3=CC=C(Cl)C=C3)[C@H](NC(C)=O)CC4=CC(C=CC=C5)=C5C=C4