InChI=1/C19H26N6/c1-4-15-13(2)24-25(14(15)3)12-11-21-19-16-7-5-6-8-17(16)22-18(23-19)9-10-20/h5-8H,4,9-12,20H2,1-3H3,(H,21,22,23)/p+1/fC19H27N6/h20-21H/q+1 44BF3AD8F826B19B