InChI=1/C25H32N6O2/c1-4-11-31-16-19(14-22(31)32)24(33)28-20-7-12-30(13-8-20)25-27-15-21(23(29-25)17(2)3)18-5-9-26-10-6-18/h4-6,9-10,15,17,19-20H,1,7-8,11-14,16H2,2-3H3,(H,28,33)/t19-/m0/s1/f/h28H BD4B709B4BE21857