InChI=1/C18H26BrN5O3/c1-2-7-20-16(25)12-23-8-10-24(11-9-23)13-17(26)22-18(27)21-15-5-3-14(19)4-6-15/h3-6H,2,7-13H2,1H3,(H,20,25)(H2,21,22,26,27)/f/h20-22H 443CD5F3E5EA5747