InChI=1/C12H18N4O4S/c1-12(2)6-3-7-15(12)21(19,20)11-8-9(16(17)18)4-5-10(11)14-13/h4-5,8,14H,3,6-7,13H2,1-2H3 B273D458DEA71F4E