2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-(hydroxymethyl)-2,5-dihydro-1,3-thiazole-4-carboxylate 4-thiazolecarboxylato, 2-(3,6-dioxo-5-phenyl-2-piperazinyl)-2,5-dihydro-5-(hydroxymethyl)-, ion(1-) InChI=1/C15H15N3O5S/c19-6-8-10(15(22)23)18-14(24-8)11-13(21)16-9(12(20)17-11)7-4-2-1-3-5-7/h1-5,8-9,11,14,19H,6H2,(H,16,21)(H,17,20)(H,22,23)/p-