for the following products
4-Thiazoleacetic acid, 2-amino-alpha-[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]imino]-, anhydride with diethyl hydrogen phosphate, (Z)- and O,O-Diethylphosphoryl (Z)-2-(2-aminothiazol-4-yl)-2-(1-tert-Butoxycarbonyl-1-methyl)ethoxyiminoacetate