InChI=1/C19H26N4O2/c1-13-4-6-16(7-5-13)20-17-8-10-23(11-9-17)15(3)19(24)21-18-12-14(2)22-25-18/h4-7,12,15,17,20H,8-11H2,1-3H3,(H,21,24)/p+1/t15-/m1/s1/fC19H27N4O2/h21,23H/q+1 FBF7F0214605C3CC