InChI=1/C15H17BrN4S/c1-8-9(2)19-20-15(13(8)14(17)21)18-10(3)11-5-4-6-12(16)7-11/h4-7,10H,1-3H3,(H2,17,21)(H,18,20)/t10-/m1/s1/f/h18H,17H2 753B4785ECC2152E