N-({[1-Dimethylamino-1-ethoxycarbonyl-meth-(E)-ylidene]-thiocarbamoyl}-methoxy-methoxycarbonyl-methyl)-phthalamic acid methyl ester

4-Hydroxy-2-[methoxy-methoxycarbonyl-(2-methoxycarbonyl-benzoylamino)-methyl]-5-methyl-5,6-dihydro-4H-[1,3]thiazine-4-carboxylic acid benzyl ester

N-[(5-Acetyl-3,6-dihydro-2H-[1,3]thiazin-2-yl)-methoxy-methoxycarbonyl-methyl]-phthalamic acid methyl ester

N-[(5-Acetyl-3,6-dihydro-2H-[1,3]thiazin-2-yl)-carboxy-methoxy-methyl]-phthalamic acid