InChI=1/C21H26N4O2/c1-21(2)17(19(26)24-12-14-6-3-4-7-15(14)13-24)10-18(23-21)20(27)25-9-5-8-16(25)11-22/h3-4,6-7,16-18,23H,5,8-10,12-13H2,1-2H3/p+1/t16-,17+,18-/m0/s1/fC21H27N4O2/h23H/q+1 996CED8201955D6D