InChI=1/C16H13N3O3/c20-16(15-8-21-13-3-1-2-4-14(13)22-15)19-10-5-6-11-12(7-10)18-9-17-11/h1-7,9,15H,8H2,(H,17,18)(H,19,20)/t15-/m1/s1/f/h17,19H B202C51C8DCDD78C