InChI=1/C19H18N6O3/c26-18(24-15-6-7-17(21-10-15)25-12-20-11-22-25)13-3-1-4-14(9-13)23-19(27)16-5-2-8-28-16/h1,3-4,6-7,9-12,16H,2,5,8H2,(H,23,27)(H,24,26)/t16-/m1/s1/f/h23-24H C156BF44D973B5B9