IUPAC:tert-butyl 2-{4,7-bis[2-(tert-butoxy)-2-oxoethyl]-10-({[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}methyl)-1,4,7,10-tetraazacyclododecan-1-yl}acetate
IUPAC:tert-butyl 2-{4,7-bis[2-(tert-butoxy)-2-oxoethyl]-10-({[2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl]carbamoyl}methyl)-1,4,7,10-tetraazacyclododecan-1-yl}acetate