InChI=1/C17H22N2O4/c20-15(9-18-14-7-5-13(6-8-14)17(21)22)10-23-19-16(11-1-2-11)12-3-4-12/h5-8,11-12,15,18,20H,1-4,9-10H2,(H,21,22)/p-1/t15-/m1/s1/fC17H21N2O4/q-1 CD43EAD68E844A62