(2,5-dimethyl-phenyl)-hydrazine-N,N'-dicarboxylic acid diethyl ester

ethyl N-(ethoxycarbonylamino)-N-[4-[ethoxycarbonyl-(ethoxycarbonylamino)amino]-2,5-dimethylphenyl]carbamate

3-(4-氯苯氧基)哌啶

methyl 3-[3-[(1-hydroxypyridin-2-ylidene)amino]propoxy]benzoate

ethyl N-diphenylphosphoryl-N-(ethoxycarbonylamino)carbamate