硫代乳酸 、
[4-(4-{[1-(4-Nitro-phenyl)-meth-(Z)-ylidene-hydrazinocarbonylmethyl]-amino}-benzenesulfonyl)-phenylamino]-acetic acid [1-(4-nitro-phenyl)-meth-(Z)-ylidene]-hydrazide 以70%的产率得到N-[5-methyl-2-(4-nitrophenyl)-4-oxo-1,3-thiazolidin-3-yl]-2-[4-[4-[[2-[[5-methyl-2-(4-nitrophenyl)-4-oxo-1,3-thiazolidin-3-yl]amino]-2-oxoethyl]amino]phenyl]sulfonylanilino]acetamide