Camptothecin Impurity 1

Chemical Name: 2-Hydroxy Irinotecan ; (S)-4,11-diethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-9-yl 2'-hydroxy-[1,4'-bipiperidine]-1'-carboxylate

Synonym: Phenol, 2,​2'-​[[(1-​methylethyl)​imino]​bis(1-​phenyl-​3,​1-​propanediyl)​]​bis[4-​methyl-; 2,2'-[[(1-Methylethyl)imino]bis(1-phenyl-3,1-propanediyl)]bis[4-methylphenol]; 2,2’-[[(1-Methylethyl)imino]bis(1-phenyl-3,1-propanediyl)]bis[4-methylphenol] 2,2,2-trifluoroacetic acid ;