InChI=1/C20H25ClN2O5/c1-4-28-20(25)18-15(11-27-10-9-22)23-12(2)16(19(24)26-3)17(18)13-7-5-6-8-14(13)21/h5-8,17-18H,4,9-11,22H2,1-3H3/p+1/t17-,18+/m0/s1/fC20H26ClN2O5/h22H/q+1 A83CDB91F4A65067