InChI=1/C14H20N4O2S/c1-2-3-4-9-16-21(19,20)12-6-7-13-11(10-12)5-8-14(17-13)18-15/h5-8,10,16H,2-4,9,15H2,1H3,(H,17,18)/f/h18H EF43CD22287F4A5C