IUPAC:{13-oxo-8-thia-1,10-diazatricyclo[7.4.0.0^{2,7}]trideca-2,4,6,9,11-pentaen-11-yl}methyl 2-(4,4-diethyl-2,5-dioxoimidazolidin-1-yl)acetate
IUPAC:{13-oxo-8-thia-1,10-diazatricyclo[7.4.0.0^{2,7}]trideca-2,4,6,9,11-pentaen-11-yl}methyl 2-(4,4-diethyl-2,5-dioxoimidazolidin-1-yl)acetate