InChI=1/C20H26N4O2/c1-13(2)18(16-11-7-5-9-14(16)3)22-20(26)24-23-19(25)21-17-12-8-6-10-15(17)4/h5-13,18H,1-4H3,(H2,21,23,25)(H2,22,24,26)/t18-/m1/s1/f/h21-24H	B22B412D58EF01ED