InChI=1/C23H23ClN2O5/c1-15-19(26-21(31-15)17-4-6-18(24)7-5-17)9-12-29-20-8-3-16(14-25-20)13-23(22(27)28)10-2-11-30-23/h3-8,14H,2,9-13H2,1H3,(H,27,28)/p-1/t23-/m0/s1/fC23H22ClN2O5/q-1 0B2A8B5596BC03BB