InChI=1/C20H20N2O4/c1-10-16-14(23)7-20(2,3)8-15(16)26-17(10)19(25)22-12-5-4-11-9-21-18(24)13(11)6-12/h4-6H,7-9H2,1-3H3,(H,21,24)(H,22,25)/f/h21-22H	F98ABFEEA8F84051