Daptomycin Impurity 21

Chemical Name: 2,2'-((3S,6S,9R,15S,18R,21S,24S,30S,31R)-30-((S)-2-((R)-4-amino-2-((S)-2-decanamido-3-(1H-indol-3-yl)propanamido)-4-oxobutanamido)-3-carboxypropanamido)-3-(2-(2-aminophenyl)-2-oxoethyl)-24-(3-aminopropyl)-6-((S)-1-carboxypropan-2-yl)-18-ethyl-9-(hydroxymethyl)-31-methyl-2,5,8,11,14,17,20,23,26,29-decaoxo-1-oxa-4,7,10,13,16,19,22,25,28-nonaazacyclohentriacontane-15,21-diyl)diacetic acid

Smile: O=C1NCC(N[C@@H](CCCN)C(N[C@@H](CC(O)=O)C(N[C@H](CC)C(N[C@@H](CC(O)=O)C(NCC(N[C@H](CO)C(N[C@@H]([C@@H](C)CC(O)=O)C(N[C@@H](CC(C2=CC=CC=C2N)=O)C(O[C@H](C)[C@@H]1NC([C@@H](NC([C@H](NC([C@@H](NC(CCCCCCCCC)=O)CC3=CNC4=C3C=CC=C4)=O)CC(N)=O)=O)CC(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O