InChI=1/C18H22N2O4/c1-11-8-12(11)10-19-16(21)17(22)20-13-4-5-14-15(9-13)24-18(23-14)6-2-3-7-18/h4-5,9,11-12H,2-3,6-8,10H2,1H3,(H,19,21)(H,20,22)/t11-,12-/m1/s1/f/h19-20H	54DC77C3E1E00323