InChI=1/C19H22N4O4/c20-18(25)15-6-2-8-23(15)12-13-4-1-5-14(10-13)22-17(24)11-21-19(26)16-7-3-9-27-16/h1,3-5,7,9-10,15H,2,6,8,11-12H2,(H2,20,25)(H,21,26)(H,22,24)/p+1/t15-/m0/s1/fC19H23N4O4/h21-23H,20H2/q+1 7CE957B0199AEE8E