InChI=1/C19H22N4O5/c1-11(24)13-7-15-16(27-10-26-15)8-14(13)22-17(25)9-20-19(5-3-4-6-19)18-21-12(2)28-23-18/h7-8,20H,3-6,9-10H2,1-2H3,(H,22,25)/p+1/fC19H23N4O5/h20,22H/q+1 2C63615D53D1CE80