1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid, 2-((4-((bromoacetyl)amino)phenyl)methyl)- 126753-62-6 2-(4-(Bromoacetamido)benzyl)-1,4,7,10-tetraazacyclodecane-N,N',N'',N'''-tetraacetic acid 4-Bromoacetamidobenzyl-1,4,7,10-tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid 6-BAD Bab-dota