InChI=1/C18H20N2O4/c1-12-2-4-13(5-3-12)16(21)10-20-18(23)14-6-8-15(9-7-14)24-11-17(19)22/h2-9,16,21H,10-11H2,1H3,(H2,19,22)(H,20,23)/t16-/m1/s1/f/h20H,19H2	A0CF5688A7FF5778