InChI=1/C20H25N7O2/c1-20(2)26-17(21)25-18(22)27(20)15-8-4-6-13(10-15)12-23-19(28)24-14-7-5-9-16(11-14)29-3/h4-11H,12H2,1-3H3,(H2,23,24,28)(H4,21,22,25,26)/f/h21-26H B9EF4E4F43B88777