Synonyms: 21,22-Secocamptothecin-21-oicacid, monosodium salt (8CI); Indolizino[1,2-b]quinoline-7-acetic acid, a-ethyl-9,11-dihydro-a-hydroxy-8-(hydroxymethyl)-9-oxo-,monosodium salt, (S)-; Indolizino[1,2-b]quinoline-7-acetic acid, a-ethyl-9,11-dihydro-a-hydroxy-8-(hydroxymethyl)-9-oxo-,monosodium salt, (aS)- (9CI); 20(S)-Camptothecin sodium salt; Camptothecin sodium;Camptothecine sodium; NSC 100880; Sodium camptothecin