InChI=1/C19H18N4O3/c1-12-7-3-6-10-16(12)20-19(26)22-21-17(24)11-23-13(2)14-8-4-5-9-15(14)18(23)25/h3-10H,2,11H2,1H3,(H,21,24)(H2,20,22,26)/f/h20-22H 89E86B2824B30EA6