InChI=1/C20H28N4O3/c1-5-14-6-8-15(9-7-14)11-23(4)12-16(25)17-18(21)24(10-13(2)3)20(27)22-19(17)26/h6-9,13H,5,10-12,21H2,1-4H3,(H,22,26,27)/p+1/fC20H29N4O3/h22-23H/q+1 916E229E7BB7EB06