InChI=1/C21H30N4O/c1-15(19-16(2)24-25(4)17(19)3)23-20(26)22-14-21(12-8-9-13-21)18-10-6-5-7-11-18/h5-7,10-11,15H,8-9,12-14H2,1-4H3,(H2,22,23,26)/t15-/m0/s1/f/h22-23H 351066C4886A2988