InChI=1/C19H22N2O3/c20-12-16(19(23)21-15-4-2-1-3-5-15)17(22)11-13-6-7-18-14(10-13)8-9-24-18/h6-7,10,15,21,23H,1-5,8-9,11H2/p-1/b19-16-/fC19H21N2O3/h23h/q-1 50C75E40136F685C