| 1 | 2227442-13-7 | 2H-Pyrido[1,2-a]pyrazine-7-carboxamide, N-[(2,4-difluorophenyl)methyl]-1,8-dihydro-2-[(1R)-3-hydroxy-1-methylpropyl]-9-methoxy-1,8-dioxo- | 2H-Pyrido[1,2-a]pyrazine-7-carboxamide, N-[(2,4-difluorophenyl)methyl]-1,8-dihydro-2-[(1R)-3-hydroxy-1-methylpropyl]-9-methoxy-1,8-dioxo- | C21H21F2N3O5
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| 2 | 1335210-35-9 | (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-Difluorobenzyl)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-[1,3]oxazino[3,2-d]pyrido[1,2-a]pyrazine-9-carboxamide | C21H21F2N3O5
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| 3 | 2384108-28-3 | 杜鲁特韦杂质56 | 2H-Pyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide, N-[(2,4-difluorophenyl)methyl]-3,4,6,8,12,12a-hexahydro-7-methoxy-4-methyl-6,8-dioxo-, (4R,12aR)- | C21H21F2N3O5
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