InChI=1/C19H26N4O5/c1-25-14-9-12(8-13-11-22-19(21)23-18(13)20)10-15(17(14)27-3)28-7-5-4-6-16(24)26-2/h9-11H,4-8H2,1-3H3,(H4,20,21,22,23)/p+1/fC19H27N4O5/h22H,20-21H2/q+1 D776B066413A8561