InChI=1/C21H24N4O3/c26-20(23-12-15-11-16-5-1-2-6-18(16)28-14-15)21(27)24-17-7-8-19(22-13-17)25-9-3-4-10-25/h1-2,5-8,13,15H,3-4,9-12,14H2,(H,23,26)(H,24,27)/t15-/m1/s1/f/h23-24H 67F316ADED112066