InChI=1/C14H14N4O2S/c1-6-5-10(11-8(3)18-20-13(11)15-6)12(19)17-14-16-7(2)9(4)21-14/h5H,1-4H3,(H,16,17,19)/f/h17H FE0A1CDD7AA85D79