Irinotecan EP Impurity E

Chemical Name: (4S)-4,11-diethyl-4,9-dihydroxy-1H-pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione (as per EP); (S)-4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione (as per USP)

Synonym: 2,2'-(30-(2-(4-amino-2-(2-decanamido-3-(1H-indol-3-yl)propanamido)-4-oxobutanamido)-3-carboxypropanamido)-3-(2-(2-aminophenyl)-2-oxoethyl)-24-(3-aminopropyl)-6-(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[C@@](C(OC1)=O)(CC)C2=C1C(N3C(C4=NC5=CC=C(O)C=C5C(CC)=C4C3)=C2)=O