InChI=1/C19H26N6O2/c20-11-15(12-21)19-23-6-10-25(19)9-5-22-13-17-1-2-18(27-17)14-24-7-3-16(26)4-8-24/h1-2,16,22-23,26H,3-10,13-14H2/p+2/fC19H28N6O2/h22,24H/q+2 1041B53420ABC832