InChI=1/C14H18N4O2S/c1-8-12(9(2)20-17-8)11-7-21-14(16-11)18-5-3-10(4-6-18)13(15)19/h7,10H,3-6H2,1-2H3,(H2,15,19)/f/h15H2 79A9339E4E8FD8F2