InChI=1/C15H16N4O2S/c20-14(17-9-11-4-7-22-10-11)18-12-2-1-3-13(8-12)19-6-5-16-15(19)21/h1-4,7-8,10H,5-6,9H2,(H,16,21)(H2,17,18,20)/f/h16-18H 43DE8AC7C3522F62