IUPAC:{1'-[(2S)-12,13-difluoro-9-thiatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-yl]-4',6'-dioxo-1',2',4',6'-tetrahydrospiro[cyclopropane-1,3'-pyrido[1,2-b]pyridazin]-5'-yloxy}methyl methyl carbonate
IUPAC:{1'-[(2S)-12,13-difluoro-9-thiatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-yl]-4',6'-dioxo-1',2',4',6'-tetrahydrospiro[cyclopropane-1,3'-pyrido[1,2-b]pyridazin]-5'-yloxy}methyl methyl carbonate