InChI=1/C19H22N2O4/c1-24-19(23)17(20)11-12-18(22)21-15-7-9-16(10-8-15)25-13-14-5-3-2-4-6-14/h2-10,17H,11-13,20H2,1H3,(H,21,22)/p+1/t17-/m0/s1/fC19H23N2O4/h20-21H/q+1 586D2F5D31BFB8AB