InChI=1/C19H18N4O3/c1-12-8-9-15(10-13(12)2)23-18(25)16(17(24)21-19(23)26)11-20-22-14-6-4-3-5-7-14/h3-11,20,22H,1-2H3,(H,21,24,26)/p-1/b16-11-/fC19H17N4O3/q-1 1695B183EF7F77CA