InChI=1/C19H24N4O2/c1-3-11-22-19(20)23-14-15-6-5-12-21-18(15)25-17-9-7-16(8-10-17)24-13-4-2/h3,5-10,12H,1,4,11,13-14H2,2H3,(H3,20,22,23)/p+1/fC19H25N4O2/h22-23H,20H2/q+1 CED1F6DA6E1F0453