InChI=1/C15H20N4OS/c1-9-4-3-5-12(10(9)2)17-15(20)16-11-6-7-14-13(8-11)18-19-21-14/h6-10,12H,3-5H2,1-2H3,(H2,16,17,20)/t9-,10-,12-/m1/s1/f/h16-17H 03B3942F38501259