InChI=1/C14H20N4O2S/c1-4-14(2,3)18-21(19,20)11-6-7-12-10(9-11)5-8-13(16-12)17-15/h5-9,18H,4,15H2,1-3H3,(H,16,17)/f/h17H BF4A0CE9A2406FCD