InChI=1/C12H20N4O4S/c13-12(5-3-1-2-4-6-12)8-15-21(19,20)9-7-14-11(18)16-10(9)17/h7,15H,1-6,8,13H2,(H2,14,16,17,18)/p+1/fC12H21N4O4S/h13-14,16H/q+1 674D6CFA4EFE1A3E