(S)-2-(1-((dimethylamino)methyl)-2-hydroxy-8-(hydroxymethyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl)-2-hydroxybutanoic acid, sodium salt
(S)-2-(1-((dimethylamino)methyl)-2-hydroxy-8-(hydroxymethyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl)-2-hydroxybutanoic acid, sodium salt