Irinotecan EP Impurity G

Chemical Name: (4S)-4,8,11-triethyl-4,9-dihydroxy-1H-pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione (as per EP); (S)-4,8,11-Triethyl-4,9-dihydroxy-1H-pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione (as per USP)

Smile: O=C1C2=C([C@@](O)(CC)C(OC2)=O)C=C3C4=NC5=CC(CC)=C(O)C=C5C(CC)=C4CN31