InChI=1S/C20H27ClN2O5/c1-20(2,3)28-19(26)22-12-17(24)23-9-5-8-16(23)13-27-18(25)11-14-6-4-7-15(21)10-14/h4,6-7,10,16H,5,8-9,11-13H2,1-3H3,(H,22,26)/t16-/m0/s1