Tri-tert-butyl 2,2',2''-(10-(2-((2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)amino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate

This compound is a pharmaceutical intermediate designed as a DOTA-based bioconjugation building block. It features a maleimide group for selective coupling with thiol-containing biomolecules and multiple tert-butyl ester-protected carboxyl groups, enabling controlled deprotection and conjugation in research and manufacturing settings.