InChI=1/C19H18N4O3/c1-26-15-5-3-14(4-6-15)23-10-12(8-18(23)24)19(25)22-13-2-7-16-17(9-13)21-11-20-16/h2-7,9,11-12H,8,10H2,1H3,(H,20,21)(H,22,25)/t12-/m1/s1/f/h20,22H CAF2D4F7160BBA81