(S)-(7-(1-((2-(dimethylamino)ethyl)amino)-2-hydroxy-1-oxobutan-2-yl)-12-ethyl-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-8-yl)methyl benzoate

(S)-(7-(1-((2-(dimethylamino)ethyl)amino)-2-hydroxy-1-oxobutan-2-yl)-12-ethyl-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-8-yl)methyl 4-methoxybenzoate