IUPAC:sodium 13-{[(2,4-difluorophenyl)methyl]carbamoyl}-7-methyl-9,12-dioxo-4-oxa-1,8-diazatricyclo[8.4.0.0^{3,8}]tetradeca-10,13-dien-11-olate
IUPAC:sodium 13-{[(2,4-difluorophenyl)methyl]carbamoyl}-7-methyl-9,12-dioxo-4-oxa-1,8-diazatricyclo[8.4.0.0^{3,8}]tetradeca-10,13-dien-11-olate