IUPAC:diethyl ({4-[(11R,13S)-13-methyl-14-oxo-4,6-dioxa-12-thiatricyclo[7.5.0.0^{3,7}]tetradeca-1(9),2,7-triene-11-amido]phenyl}methyl)phosphonate
IUPAC:diethyl ({4-[(11R,13S)-13-methyl-14-oxo-4,6-dioxa-12-thiatricyclo[7.5.0.0^{3,7}]tetradeca-1(9),2,7-triene-11-amido]phenyl}methyl)phosphonate