4'-Diisopropylcarbamoyl-2',6'-dinitro-biphenyl-4-carboxylic acid methyl ester 以
cyclohexane, ethyl acetate 为溶剂,
以to obtain 244.5 mg of the expected product with a Rf=0.146 (cyclohexane/ethyl acetate 1/1)的产率得到4'-[[Bis-(isopropyl)-amino]-carbonyl]-2', 6'-dinitro-(1,1'-biphenyl)-4-carboxylic acid