InChI=1/C18H20N2O4/c1-12-3-6-14(7-4-12)18(23)20-11-17(22)19-10-13-5-8-16(24-2)15(21)9-13/h3-9,21H,10-11H2,1-2H3,(H,19,22)(H,20,23)/f/h19-20H	1A642AAF01A9E9C6