CAS: 86639-52-3 Molecular Formula: C22H20N2O5 Molecular Weight (g/mol): 392.4 InChI Key: FJHBVJOVLFPMQE-QFIPXVFZSA-N Synonym: 7-ethyl-10-hydroxycamptothecin,sn 38 lactone,7-ethyl-10-hydroxy-camptothecin,10-hydroxy-7-ethylcamptothecin,7-ethyl-10-hydroxycamptothecine,le-sn38,7-ethyl-10-hydroxy-20 s-camptothecin,captothecin, 7-ethyl-10-hydroxy,s-4,11-diethyl-4,9-dihydroxy-1h-pyrano 3',4':6,7 indolizino 1,2-b quinoline-3,14 4h,12h-dione,7-ethyl-10-hydroxy camptothecin PubChem CID: 104842 ChEBI: CHEBI:8988 SMILES: CCC1=C2C=C(C=CC2=NC3=C1CN4C3=CC5=C(C4=O)COC(=O)C5(CC)O)O