Daptomycin Impurity 18

Chemical Name: 2,2'-(30-(2-(2-(3-(1H-indol-3-yl)-2-(8-methyldecanamido)propanamido)-4-amino-4-oxobutanamido)-3-carboxypropanamido)-3-(2-(2-aminophenyl)-2-oxoethyl)-24-(3-aminopropyl)-6-(1-carboxypropan-2-yl)-9-(hydroxymethyl)-18,31-dimethyl-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(NC(CCCN)C(NC(CC(O)=O)C(NC(C)C(NC(CC(O)=O)C(NCC(NC(CO)C(NC(C(C)CC(O)=O)C(NC(CC(C2=CC=CC=C2N)=O)C(OC(C)C1NC(C(NC(C(NC(C(NC(CCCCCCC(C)CC)=O)CC3=CNC4=C3C=CC=C4)=O)CC(N)=O)=O)CC(O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O