InChI=1/C19H21NO4/c1-11-13-7-5-6-10-16(13)24-17(11)12(2)20-18(21)14-8-3-4-9-15(14)19(22)23/h3-7,10,12,14-15H,8-9H2,1-2H3,(H,20,21)(H,22,23)/p-1/t12-,14+,15-/m0/s1/fC19H20NO4/h20H/q-1 F1870E595C14CA47