IUPAC:(3R)-2-[(2S)-12,13-difluoro-9-thiatricyclo[9.4.0.0^{3,8}]pentadeca-1(15),3,5,7,11,13-hexaen-2-yl]-11-hydroxy-5-oxa-1,2,8-triazatricyclo[8.4.0.0^{3,8}]tetradeca-10,13-diene-9,12-dione
IUPAC:(3R)-2-[(2S)-12,13-difluoro-9-thiatricyclo[9.4.0.0^{3,8}]pentadeca-1(15),3,5,7,11,13-hexaen-2-yl]-11-hydroxy-5-oxa-1,2,8-triazatricyclo[8.4.0.0^{3,8}]tetradeca-10,13-diene-9,12-dione