InChI=1/C16H20N4OS/c1-4-20(10-12(2)9-17)15(21)11-22-16-18-13-7-5-6-8-14(13)19(16)3/h5-8,12H,4,10-11H2,1-3H3/t12-/m0/s1 B7CAECC18D0D81EF