InChI=1/C18H21BrN4O2S/c1-11(16(24)23-17(25)21-14-4-2-3-5-14)26-18-20-10-15(22-18)12-6-8-13(19)9-7-12/h6-11,14H,2-5H2,1H3,(H,20,22)(H2,21,23,24,25)/t11-/m0/s1/f/h21-23H 575FAC4881453E9C