4,7,10-Tri-(t-butyloxycarbonylmethyl)-1,4,7,10-tetraazacyclododecan-1-yl-acetic acid

1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid, tris(1,1-dimethylethyl) ester ; 1,4,7,10-tetraazacyclododecane-1,4,7-tris-tert-butyl acetate-10-acetic acid ; dota-tris (t-bu ester)(b-260) ; (4,7,10-tris-tert-butoxycarbonylmethyl-1,4,7,10tetraaza-cyclododec-1-yl)-acetic acid ; 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid tri-tert-butyl ester ; 2-(4,7,10-tris(2-tert-butoxy-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl)acetic acid ; tri-tert-butyl 1, 4, 7, 10-tetraazacyclododtetraazacyclododecane-1,4,7,10-tetraacetate ; tri-tert-butyl 1,4,7,10-tetraazacyclododecane-tetraacetate ; tri-tert-butyl 1 4 7 10-tetraazacyclodod ; 1,4,7 -boc-1,4,7,10- tetraazacyclododecane cyclododecane -10- acid ; 2-(4,7,10-tris(2-tert-butoxy-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl)acet