InChI=1/C22H28N4O2/c1-3-5-6-9-20(21(27)25-12-4-2)26(17-18-10-14-23-15-11-18)22(28)19-8-7-13-24-16-19/h4,7-8,10-11,13-16,20H,2-3,5-6,9,12,17H2,1H3,(H,25,27)/t20-/m0/s1/f/h25H 3EE94230DDB04040