InChI=1/C14H21BrN4O2/c1-2-5-18-7-10-3-4-11(15)6-12(10)19(8-13(16)20)9-14(17)21/h3-4,6,18H,2,5,7-9H2,1H3,(H2,16,20)(H2,17,21)/p+1/fC14H22BrN4O2/h18H,16-17H2/q+1 4E22D0C6B7E5C2F9