InChI=1/C14H18N4O2S/c1-18(7-5-12-4-2-3-6-17-12)13-8-11(15)9-14(10-13)21(16,19)20/h2-4,6,8-10H,5,7,15H2,1H3,(H2,16,19,20)/f/h16H2 EA36CB909B15CD49