发明授权
US5386028A Process for the production of N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradeca ne derivatives and their metal complexes 失效
制备N-β-羟基烷基 - 三-N-羧基烷基-1,4,7,10-四氮杂环十二烷和N-β-羟烷基 - 三-N-羧基烷基-1,4,8,11-四氮杂环十四烷衍生物的方法和 他们的金属配合物

Process for the production of
N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane
and
N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradeca
ne derivatives and their metal complexes
摘要:
A process for the production of N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecane derivatives and their metal complexes is described.
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