InChI=1/C18H23N5O/c1-11(2)12-7-9-13(10-8-12)20-17(19)23-18-21-15-6-4-3-5-14(15)16(24)22-18/h7-11H,3-6H2,1-2H3,(H4,19,20,21,22,23,24)/f/h20-21H,19H2 A51159F8B867419D