InChI=1/C19H23N5O/c20-18(22-19(25)21-17-9-5-2-6-10-17)24-13-11-23(12-14-24)15-16-7-3-1-4-8-16/h1-10H,11-15H2,(H3,20,21,22,25)/f/h21H,20H2 A491C4A7B24DE7B1