InChI=1/C20H26N4O2/c1-4-11-23-18-16(19(25)24(12-5-2)20(23)26)21-17(22-18)14(3)13-15-9-7-6-8-10-15/h6-10,14H,4-5,11-13H2,1-3H3,(H,21,22)/t14-/m1/s1/f/h21H 5EC120DE1577FF1B