InChI=1/C19H22N2O3/c1-5-9-21(10-6-2)12-16-13(3)20-17-8-7-14(19(23)24-4)11-15(17)18(16)22/h5-8,11H,1-2,9-10,12H2,3-4H3,(H,20,22)/p+1/fC19H23N2O3/h20-21H/q+1 02F88B7E5343112A