InChI=1/C19H17N3/c1-2-15-11-14(1)16-17(15)19(13-5-9-21-10-6-13)22-18(16)12-3-7-20-8-4-12/h3-10,14-15,22H,1-2,11H2/t14-,15+ FE4D476814642163