8-benzenesulfonyloxy-5-N,N-dimethylaminosulfonylquinolin-2-ylmethyl-pendant 1,4,7,10-tetraazacyclododecane
8-benzenesulfonyloxy-5-n,n-dimethylaminosulfonylquinolin-2-ylmethyl-pendant 1,4,7,10-tetraazacyclododecane