Icatibant Impurity 3

Chemical Name: ((2S,3aS,7aS)-1-((3S,6R)-3-((S)-2-(2-((2S,4R)-1-(D-arginyl-L-arginyl-L-prolyl)-4-hydroxypyrrolidine-2-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)-L-arginine