InChI=1/C20H23N5O/c1-26-20-10-6-5-9-19(20)24-13-11-23(12-14-24)15-17-16-25(22-21-17)18-7-3-2-4-8-18/h2-10,16H,11-15H2,1H3 77916FDC8C4D89D2