InChI=1/C17H25N5O2/c1-11-16(12(2)21-20-11)19-17(23)18-10-15(22(3)4)13-7-6-8-14(9-13)24-5/h6-9,15H,10H2,1-5H3,(H,20,21)(H2,18,19,23)/t15-/m1/s1/f/h18-20H F3B5E5C844D30601