InChI=1/C15H20N4OS/c1-9-18-12-7-13(11(16)6-14(12)21-9)19(8-15(17)20)10-4-2-3-5-10/h6-7,10H,2-5,8,16H2,1H3,(H2,17,20)/f/h17H2 9B9F810CF9297717