InChI=1/C19H22N6O4/c26-19(18-2-1-11-29-18)20-5-6-22-7-9-23(10-8-22)14-24-17-4-3-16(25(27)28)12-15(17)13-21-24/h1-4,11-13H,5-10,14H2,(H,20,26)/p+1/fC19H23N6O4/h20,22H/q+1 19416D58CE140BF2