英文名称
2-bromo-N-[[1,4,7,10-tetrakis(2-oxopropyl)-1,4,7,10-tetrazacyclododec-2-yl]methyl]acetamide;1-[6-ethyl-4,7,10-tris(2-oxopropyl)-1,4,7,10-tetrazacyclododec-1-yl]propan-2-one;[1,4,7,10-tetrakis(2-oxopropyl)-1,4,7,10-tetrazacyclododec-2-yl]methyl imidazolidine-1-carboxylate;N-[[1,4,7,10-tetrakis(2-oxopropyl)-1,4,7,10-tetrazacyclododec-2-yl]methyl]prop-2-enamide