InChI=1/C16H21BrN4OS/c17-13-7-3-6-12-11(13)8-9-14(12)19-15(22)20-21-16(23)18-10-4-1-2-5-10/h3,6-7,10,14H,1-2,4-5,8-9H2,(H2,18,21,23)(H2,19,20,22)/t14-/m0/s1/f/h18-21H 2DAE1F46D0CB0F5E