InChI=1/C21H23NO3/c1-21(2,3)13-9-10-17-15(11-13)16(12-19(23)24)20(22-17)14-7-5-6-8-18(14)25-4/h5-11,22H,12H2,1-4H3,(H,23,24)/p-1/fC21H22NO3/q-1 6A6462495CA2F1D0