InChI=1/C19H20N2O5/c1-2-25-19(24)20-13-7-5-8-14(11-13)26-18(23)15-10-12-6-3-4-9-16(12)21-17(15)22/h5,7-8,10-11H,2-4,6,9H2,1H3,(H,20,24)(H,21,22)/f/h20-21H 7BB837699EE49251