InChI=1/C20H17N3O3/c1-20(18-4-3-9-25-18)15-10-13(17-8-6-14(11-21)23(17)2)5-7-16(15)22-19(24)12-26-20/h3-10H,12H2,1-2H3,(H,22,24)/t20-/m1/s1/f/h22H 1C987B6151239DE6