InChI=1/C19H25N5O2/c25-18(20-9-1-2-11-23-12-3-4-13-23)19(26)22-16-7-5-8-17(15-16)24-14-6-10-21-24/h5-8,10,14-15H,1-4,9,11-13H2,(H,20,25)(H,22,26)/p+1/fC19H26N5O2/h20,22-23H/q+1 F37AE0F7E732C2DB