21,22-Secocamptothecin-21-oic acid, monosodium salt 20(S)-Camptothecin sodium salt 25387-67-1 CAMPTOTHECIN SODIUM SALT CAMPTOTHECIN, SODIUM SALT Camptothecin sodium Camptothecine sodium FDA 1660 Indolizino[1,2-b]quinoline-7-acetic acid,.alpha.-ethyl- 9,11-dihydro-.alpha.-hydroxy-8-(hydroxymethyl)-9-oxo-,monosodium salt, (S)- NSC100880 Sodium camptothecin