Home› Crystalline polymorphs of sodium (4R,12AS)-9-{[(2,4-difluorophenyl) methyl]carbamoyl}-4-methyl-6,8-dioxo-3,4,6,8,12,12A-hexahydro-2H-pyrido [1′,2′:4,5]pyrazino[2,1-b][1,3]oxazin-7-olate and process for preparation thereof
Crystalline polymorphs of sodium (4R,12AS)-9-{[(2,4-difluorophenyl) methyl]carbamoyl}-4-methyl-6,8-dioxo-3,4,6,8,12,12A-hexahydro-2H-pyrido [1′,2′:4,5]pyrazino[2,1-b][1,3]oxazin-7-olate and process for preparation thereof