InChI=1/C19H27N5O/c1-19(2,3)16-17(25)21-18(23-22-16)20-15-9-7-14(8-10-15)13-24-11-5-4-6-12-24/h7-10H,4-6,11-13H2,1-3H3,(H2,20,21,23,25)/p+1/fC19H28N5O/h20-21,24H/q+1 F8BC7D25D82ED19F