英文名称
2-[4,7-Bis(carboxymethyl)-10-[2-[[2-[carboxymethyl-[2-[carboxymethyl-[2-[carboxymethyl-[2-oxo-2-[2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]ethylamino]ethyl]amino]ethyl]amino]ethyl]amino]acetyl]amino]ethyl]-1,4,7,10-tetrazacyclododec-1-yl]acetic acid