Icatibant Impurity 1

Chemical Name: ((3aS,7aS)-1-((3S)-3-((2S)-2-(2-((1R,4S)-2-((1R)-2-((5-guanidinopentanoyl)-L-arginyl)cyclopentane-1-carbonyl)-4-hydroxycyclopentane-1-carboxamido)acetamido)-3-(thiophen-2-yl)propanamido)-4-oxo-3,4,7,11b-tetrahydro-2H,6H-[1,3]oxazino[2,3-a]isoquinoline-6-carbonyl)octahydro-1H-indole-2-carbonyl)arginine

Synonym: 2-(dimethylamino)ethanethioamide

Smile: O=C(N1[C@](CCCC2)([H])[C@]2([H])CC1C(NC(C(O)=O)CCCNC(N)=N)=O)C3N4C(OC[C@H](NC([C@H](CC5=CC=CS5)NC(CNC([C@@H]6C[C@@H](O)CC6C([C@H]7C(C([C@@H](NC(CCCCNC(N)=N)=O)CCCNC(N)=N)=O)CCC7)=O)=O)=O)=O)C4=O)C8=CC=CC=C8C3