Chemical Name: sodium (R)-7-((2,4-difluorobenzyl)carbamoyl)-2-(4-(((2,4-difluorobenzyl)carbamoyl)oxy)butan-2-yl)-1,8-dioxo-1,8-dihydro-2H-pyrido[1,2-a]pyrazin-9-olate
Smile: [O-]C(C(C(C(NCC1=CC=C(F)C=C1F)=O)=C2)=O)=C(N2C=CN3[C@@H](CCOC(NCC4=CC=C(F)C=C4F)=O)C)C3=O.[Na+]