InChI=1/C14H16N4O3S/c1-3-14(4-2)11(20)18(12(21)16-14)8-9-7-10(19)17-5-6-22-13(17)15-9/h5-7H,3-4,8H2,1-2H3,(H,16,21)/f/h16H 0A557A346137E55A