InChI=1/C19H21N5O4/c20-17(21)11-4-6-12(7-5-11)19(27)24-14(9-16(25)26)10-28-15-3-1-2-13(8-15)18(22)23/h1-8,14H,9-10H2,(H3,20,21)(H3,22,23)(H,24,27)(H,25,26)/p+1/t14-/m0/s1/fC19H22N5O4/h24H,20-23H2/q+1 F7EA41228CD48BD9