2,4,6-Triiodo-3-amino-5-[2-(2,4,6-triiodo-3-N-methylcarbamyl-5-amino-benzoyl)amino-ethyl]carbamyl-benzoic acid 以
氯化亚砜 为溶剂,
以84%的产率得到2,4,6-Triiodo-3-amino-5-[2(2,4,6-triiodo-3-N-methylcarbamyl-5-amino-benzoyl)-amino-ethyl]carbamyl-benzoic acid chloride