InChI=1/C18H25N5O3/c1-12-9-19-23(10-13-5-6-13)15(12)20-14(24)11-22-16(25)18(21-17(22)26)7-3-2-4-8-18/h9,13H,2-8,10-11H2,1H3,(H,20,24)(H,21,26)/f/h20-21H 2FB4C22B2B87BBF7