(4R,12As)-N-((2,4-二氟苯基)甲基)-3,4,6,8,12,12A-六氢-7-甲氧基-4-甲基-6,8-二氧代-2H-吡啶并(1',2':4,5)吡嗪并(2,1-B)(1,3)恶嗪-9-甲酰胺

(4R,12As)-N-[(2,4-Difluorophenyl)Methyl]-3,4,6,8,12,12A-Hexahydro-7-Methoxy-4-Methyl-6,8-Dioxo-2H-Pyrido[1',2':4,5]Pyrazino[2,1-B][1,3]Oxazine-9-Carboxamide