gadolinium 10-[1-(carboxymethylcarbamoyl)-ethyl]-1,4,7,10-tetraazacyclododecane-1,4,7-triacetate   、                                                                                      
N-(2-hydroxyethyl)-N-(1H,1H,2H,2H,4H,4H,5H,5H-3-oxaperfluorotridecyl)amine                                                                                                                                                              在
                                                                                                                                                                                 
lithium chloride   、                                                                                                  
2-乙氧基-1-乙氧碳酰基-1,2-二氢喹啉                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二甲基亚砜                                                                                  为溶剂,
                                                                                                                                                    反应 12.17h,
                                                                                                                以91%的产率得到1,4,7-tris(carboxylatomethyl)-10-[N-(2-hydroxyethyl)-N-((1H,1H,2H,2H,4H,4H,5H,5H-3-oxa)-perfluorotridecyl)-(3-aza-4-oxo-hexan-5-yl)amido]-1,4,7,10-tetraazacyclododecane gadolinium complex