InChI=1/C19H18N2O3/c1-2-6-15-8-5-9-16(19(15)24)13-20-21-18(23)12-11-14-7-3-4-10-17(14)22/h2-5,7-13,22,24H,1,6H2,(H,21,23)/b12-11+,20-13+/f/h21H AC769293477F1AF2