InChI=1/C18H18N2O3/c1-11-7-6-9-13(12(11)2)19-16(21)18(3)17(22)20-14-8-4-5-10-15(14)23-18/h4-10H,1-3H3,(H,19,21)(H,20,22)/t18-/m0/s1/f/h19-20H	4F1260E80B16E1F8