Synonyms: Camptothecin; Camptothecine; 20(S)-Camptothecine; HMS3678J15; HMS3712H21; ZINC105309; (S)-4-Ethyl-4-hydroxy-1H-pyrano-[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; (S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-(4H,12H)-dione; ACT02668; BCP02857; ZX-AT019935; Tox21_500341; AC-202; 21,22-Secocamptothecin-21-oic acid lactone; BBL033963; BDBM50008923; BG0120; CCG-40255; GR-301; s1288; STK801886; AKOS004119861; API0001826; CS-1049; NSC94600; DB04690; KS-5235; LP00341; MCULE-1654983682; SDCCGMLS-0066688.P001; CAS-2114454; IDI1_000826; NCGC00015290-01; NCGC00016994-01; NCGC00016994-02; (S)-Camptothecin; NCGC00016994-03; NCGC00016994-04; NCGC00016994-05; NCGC00016994-06; NCGC00016994-07; NCGC00016994-08; NCGC00016994-09; NCGC00016994-10; NCGC00016994-11; NCGC00016994-12; 20(S)-Camptothecin; NCGC00016994-16; NCGC00024997-01; NCGC00024997-02; NCGC00024997-03; NCGC00024997-04; NCGC00024997-05; NCGC00024997-06; NCGC00178592-01; NCGC00178592-02; NCGC00261026-01; Camptothecine (8CI); AJ-11194; AN-16065; BC203226; BR-39842; HY-16560; K332; NCI60_042105; OR014824; SMR000445686; AX8038860; Camptothecine (S,+); ST2412720; EU-0100341; FT-0623436; N1868; SW196414-3; C 9911; C01897; J10012; M01564; S-2515; CHEMBL65; 32320-EP2270008A1; 32320-EP2272827A1; 32320-EP2275420A1; 32320-EP2277507A1; 32320-EP2277865A1; 32320-EP2280013A1; 32320-EP2281815A1; 32320-EP2286795A1; 32320-EP2286812A1; 32320-EP2289892A1; UNII-XT3Z54Z28A; 32320-EP2292615A1; 32320-EP2292617A1; 32320-EP2295055A2; 32320-EP2295416A2; 32320-EP2298748A2; 32320-EP2298764A1; 32320-EP2298765A1; 32320-EP2298778A1; 32320-EP2301933A1; 32320-EP2305640A2; (4S)-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; 32320-EP2305642A2; 32320-EP2305671A1; 32320-EP2308855A1; 32320-EP2311453A1; 32320-EP2311827A1; 32320-EP2311840A1; AB00052452-08; AB00052452-09; AB00052452_10; (S)-(+)-Camptothecin, >=90% (HPLC), powder; camptothecin; MLS000766223; 157594-EP2277507A1; 157594-EP2286795A1; 179002-EP2280013A1; 689C034; SR-01000075798-1; SR-01000075798-4; SR-01000597379-1; SR-01000597379-3; BRD-K37890730-001-09-4; BRD-K37890730-001-10-2; XT3Z54Z28A; (S)-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]florene-3,13-dione; (S)-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione; 4-Ethyl-4-hydroxy-1H-pyrano-[3[,4[:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; Topotecan Related Compound C, United States Pharmacopeia (USP) Reference Standard; (19S)-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.0(2),(1)(1).0?,?.0(1)?,(2)?]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione; 1H-Pyrano[3',7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (S)-; 4(S)-Ethyl-4-hydroxy-1H-pyrano-[3',4':6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione; 4-ethyl-4-hydroxy-(4S)-3,4,12,14-tetrahydro-1H-pyrano[3'',4'':6,7]indolizino[1,2-b]quinoline-3,14-dione; 4-Ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione (camptothecin or CPT); 4-Ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione (Camptothecin); CHEBI:27656; 4-Ethyl-4-hydroxy-1,12-dihydro-4H-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione (CPT, Camptothecin); ethyl(hydroxy)[?]dione; D09YDM; CCRIS 8162; C20H16N2O4; NSC 100880; CID24360; MFCD00013554; NSC 94600; ACN-035664; VSJKWCGYPAHWDS-FQEVSTJZSA-N; CS-O-07471; NSC-100880; 1,4-Dibromo-2-(trifluoromethyl)benzene; BRN 0631069; (S)-( )-Camptothecin, 98% - 1G 1g; AI3-62475; CPT; A2877; C1495; A10174; Camptothecin, Camptotheca acuminata; D002166; 4-Ethyl-4-hydroxy-1H-pyrano-[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; 1480-64-4; 2086-83-1; 64439-81-2; EHD; NSC-94600; Camptothecin derivative; AK-39842; (+)-Camptothecin, 98%; 4-ETHYL-4-HYDROXY-1,12-DIHYDRO-4H-2-OXA-6,12A-DIAZA-DIBENZO[B,H]FLUORENE-3,13-DIONE; Camptothecine; Q-200785; MFCD00081076; (S)-4-ethyl-4-hydroxy-1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; 1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (S)-; 4-Ethyl-4-hydroxy-1H-pyrano[3′,4′:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)dione; SR-01000075798; SR-01000597379; d-camptothecine; (s)-camptothecine; Camptothecin,(S); (S)-(+)-Camptothecin; ( )-Camptothecin; (S)-4-ethyl-4-hydroxy-1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione; 1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (4S)-; 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (4S)-; 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (S)-; Prestwick_102; Camphor (synthetic); CAMPTOTHECINUM; (+)-Camptothecin;; PubChem10183; 7689-03-4; Spectrum_000299; Tocris-1100; SpecPlus_000712; AC1L2NDR; Prestwick0_000200; Prestwick1_000200; Prestwick2_000200; Prestwick3_000200; Spectrum2_000903; Spectrum3_001203; Campathecin; Spectrum4_000738; Spectrum5_001126; Lopac-C-9911; AC1Q2C5X; SCHEMBL6038; Lopac0_000341; BSPBio_000159; BSPBio_002586; KBioGR_001036; KBioSS_000779; (+)-Camptothecine; KBioSS_002283; cid_24360; DivK1c_000826; DivK1c_006808; SPECTRUM1502232; SPBio_000746; SPBio_002080; AC1Q2C60; BPBio1_000175; Jsp000050; d-Camptothecin; DTXSID0030956; HMS502J08; KBio1_000826; KBio1_001752; KBio2_000779; KBio2_003347; KBio2_005915; KBio3_002086; BIC8442; NINDS_000826; (+)-Camptothecin; ZX-AFC000426; Bio1_000400; Bio1_000889; Bio1_001378; HMS1568H21; HMS1921N08; HMS2089F08; HMS2095H21; HMS3261E03; HMS3654D13;