InChI=1/C13H18BrN3O3/c1-3-17(2)7-6-15-13(20)16-11-8-9(14)4-5-10(11)12(18)19/h4-5,8H,3,6-7H2,1-2H3,(H,18,19)(H2,15,16,20)/f/h15-17H 4B1AE9240397ADFA