InChI=1/C19H23N4O4/c1-23(2,26)12-6-11-20-18-13-7-4-5-8-14(13)21-15-9-10-16(27-3)19(17(15)18)22(24)25/h4-5,7-10,26H,6,11-12H2,1-3H3,(H,20,21)/q+1/f/h20H C605493AEF7A4455