(4R,12As)-N-(2,4-二氟苄基)-7-苯氧基-4-甲基-6,8-二氧-3,4,6,8,12,12A-六氢-9-羧基-2H-吡啶并[1',2':4,5]吡嗪并[2,1-B][1,3]噁嗪烷-9-甲酰胺

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