InChI=1S/C18H14BrCl2N5O2/c1-9-6-10(20)7-11(17(27)22-2)15(9)24-18(28)13-8-14(19)25-26(13)16-12(21)4-3-5-23-16/h3-8H,1-2H3,(H,22,27)(H,24,28)