硫代乳酸 、
[4-(4-{[1-(3,4-Dimethoxy-phenyl)-meth-(Z)-ylidene-hydrazinocarbonylmethyl]-amino}-benzenesulfonyl)-phenylamino]-acetic acid [1-(3,4-dimethoxy-phenyl)-meth-(Z)-ylidene]-hydrazide 以73%的产率得到N-[2-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-1,3-thiazolidin-3-yl]-2-[4-[4-[[2-[[2-(3,4-dimethoxyphenyl)-5-methyl-4-oxo-1,3-thiazolidin-3-yl]amino]-2-oxoethyl]amino]phenyl]sulfonylanilino]acetamide