InChI=1/C14H17N4O2S/c1-10-16-14(9-18(10)2)21(19,20)17-12-5-6-13-11(8-12)4-3-7-15-13/h5-6,8-9,15H,3-4,7H2,1-2H3/q-1/p+1/fC14H18N4O2S/h16H/q 1E3EBA64C3CC7573