InChI=1S/C19H19Br2N3O2S/c20-11-8-12-14(2-6-26-18(12)13(21)9-11)22-4-1-5-23-17-10-16(25)19-15(24-17)3-7-27-19/h3,7-10,14,22H,1-2,4-6H2,(H2,23,24,25)/t14-/m1/s1