InChI=1/C20H20N2O4/c1-13-19(26-17-6-3-2-5-16(17)25-13)20(24)21-14-8-10-15(11-9-14)22-12-4-7-18(22)23/h2-3,5-6,8-11,13,19H,4,7,12H2,1H3,(H,21,24)/t13-,19-/m0/s1/f/h21H	75B47BCCBEFD7162