InChI=1/C17H16N2O4/c20-17(19-12-5-6-15-16(8-12)22-10-21-15)18-9-13-7-11-3-1-2-4-14(11)23-13/h1-6,8,13H,7,9-10H2,(H2,18,19,20)/t13-/m1/s1/f/h18-19H	4C3E555D76D841E4