InChI=1/C19H26N6/c20-13-17-18(23-24-19(17)21)7-4-10-22-16-8-11-25(12-9-16)14-15-5-2-1-3-6-15/h1-3,5-6,16,22H,4,7-12,14H2,(H3,21,23,24)/p+1/fC19H27N6/h22,24H,21H2/q+1 B77E0952C2CFF462