InChI=1/C12H11BrN4O2S/c13-7-3-1-2-4-8(7)15-11(19)6-20-12-16-9(14)5-10(18)17-12/h1-5H,6H2,(H,15,19)(H3,14,16,17,18)/f/h15,17H,14H2 69B322F47B2ED17C