N-((1S,9S)-9-乙基-5-氟-2,3,9,10,13,15-六氢-9-羟基-4-甲基-10,13-二氧代-1H,12H-苯并(de)吡喃并(3',4':6,7)吲哚嗪并(1,2-b)喹啉-1-基)-2-羟基乙酰胺

N-((1S,9S)-9-Ethyl-5-fluoro-2,3,9,10,13,15-hexahydro-9-hydroxy-4-methyl-10,13-dioxo-1H,12H-benzo(de)pyrano(3',4':6,7)indolizino(1,2-b)quinolin-1-yl)-2-hydroxyacetamide