CPT53: Camptothecin 11-Ethyl-9-Hydroxy Impurity

CPT53: Camptothecin 11-Ethyl-9-Hydroxy Impurity

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Irinotecan USP RC B ;

Irinotecan EP Impurity E ;

11-Ethyl-9-Hydroxy Camptothecin (EP) ;

7-Ethyl-10-hydroxy-20(S)-campthothecin ;

(S)-4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b] quinoline-3,14(4H,12H)-dione ;

CAS # 86639-52-3 ;

C22H20N2O5 ;

MW: 392.40 ;

Impurity & Intermediate of irinotecan and topotecan ;