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r(ji) 300
a(chn)ƷB ϲA W(xu) 1H-Pyrano[34:6,7]indolizino[1,2-6]quinoline-3,14(4H,12H-)-dione,4-ethyl-4-hydroxy-(S)- ˎQ Camptothecine Ӣ) Camptothecin 348.34 |(zh) \SɫᘠY(ji)(״-),ֽc(din)264267, []25/D+31.3(ȷ-״)±F(xin)(qing)ҵmɫΞ᲻ɷ(wn)}MSm/e:348(M+);NMR(DMSO-d6):0.89(3H,t,c- 18),1.89(2H,m,c-19),5.28(2H,s,c-5),5.43(2H,s,c-17),6.49(1H,s,c-20,OH),7.35(1H,s,c-14),7.68.25(4H,m,c-9,10,11,12),8.68(1H,s,c-7) W(xu)̖(ho) 7689-03-4 ʽ C20H16N2O4
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