InChI=1/C20H21N7O/c1-26-8-10-27(11-9-26)15-7-6-14-18(24-15)25-19(22-14)16-17(21)12-4-2-3-5-13(12)23-20(16)28/h2-7H,8-11H2,1H3,(H4,21,22,23,24,25,28)/f/h23,26H,21H2 FB5F4CBD6FC547AD