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