IUPAC:sodium (3R,6S)-12-{[(2,4-difluorophenyl)methyl]carbamoyl}-6-methyl-8,11-dioxo-4-oxa-1,7-diazatricyclo[7.4.0.0^{3,7}]trideca-9,12-dien-10-olate
IUPAC:sodium (3R,6S)-12-{[(2,4-difluorophenyl)methyl]carbamoyl}-6-methyl-8,11-dioxo-4-oxa-1,7-diazatricyclo[7.4.0.0^{3,7}]trideca-9,12-dien-10-olate