Chemical Name: (4R,12aS)-N-(2,4-difluorobenzyl)-7-hydroxy-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, sodium salt hydrate
Smile: O=C1C(N(C=C2C(NCC3=C(C=C(C=C3)F)F)=O)C[C@@]4([H])N1[C@@H](CCO4)C)=C(O)C2=O.[Na].O