InChI=1/C22H22N4/c1-15(2)17-9-11-19(12-10-17)24-22-21(18-7-5-13-23-14-18)25-20-8-4-6-16(3)26(20)22/h4-15,24H,1-3H3/p+1/fC22H23N4/h25H/q+1 56C8CDB26226DDBD