InChI=1/C20H23N5O/c26-20(22-13-19-23-17-7-3-4-8-18(17)24-19)21-10-12-25-11-9-15-5-1-2-6-16(15)14-25/h1-8H,9-14H2,(H,23,24)(H2,21,22,26)/f/h21-23H EE4ADCD16AC5EDC7