InChI=1/C21H30N4O3/c1-21(2,3)28-20(27)23-13-7-5-4-6-8-19(26)24-17-9-11-18(12-10-17)25-15-14-22-16-25/h9-12,14-16H,4-8,13H2,1-3H3,(H,23,27)(H,24,26)/f/h23-24H AB65FE079704E854