InChI=1/C19H18N4O/c24-18-16-14-7-3-1-6-13(14)11-20-17(16)21-19(22-18)23-10-9-12-5-2-4-8-15(12)23/h2,4-5,8,11H,1,3,6-7,9-10H2,(H,20,21,22,24)/f/h22H C15BB4C35F543ED9