InChI=1/C23H23NO4/c1-15-21(24-23(28-15)16-5-3-2-4-6-16)11-12-27-19-9-10-20-17(13-19)7-8-18(20)14-22(25)26/h2-6,9-10,13,18H,7-8,11-12,14H2,1H3,(H,25,26)/p-1/t18-/m1/s1/fC23H22NO4/q-1 5E8E1F5F245C3696