InChI=1/C18H20BrN3O5/c1-16(2)17(3)7-8-18(16,12(19)13(17)23)15(25)21-20-14(24)10-5-4-6-11(9-10)22(26)27/h4-6,9,12H,7-8H2,1-3H3,(H,20,24)(H,21,25)/t12-,17-,18+/m1/s1/f/h20-21H FD4F69547F7500B5