InChI=1/C19H22N4O4/c1-12(2)18(24)21-15-7-5-8-16(11-15)22-19(25)20-13(3)14-6-4-9-17(10-14)23(26)27/h4-13H,1-3H3,(H,21,24)(H2,20,22,25)/t13-/m1/s1/f/h20-22H	4B0446B00E140A80