InChI=1/C18H18N2O4/c1-11-3-5-14(7-12(11)2)20-17(21)9-19-18(22)13-4-6-15-16(8-13)24-10-23-15/h3-8H,9-10H2,1-2H3,(H,19,22)(H,20,21)/f/h19-20H	3E7AC19D89B3E326