InChI=1/C18H18N2O4/c1-11(21)20-17(12-3-6-14(24-2)7-4-12)10-16(19-20)15-8-5-13(22)9-18(15)23/h3-9,17,22-23H,10H2,1-2H3/t17-/m0/s1 FAF7525B857E8371