InChI=1/C20H26N2O5/c1-3-12-22(13-11-15-7-5-4-6-8-15)19(24)18-16(21-14(2)23)9-10-17(27-18)20(25)26/h4-8,10,16,18H,3,9,11-13H2,1-2H3,(H,21,23)(H,25,26)/p-1/t16-,18-/m1/s1/fC20H25N2O5/h21H/q-1 CD99B1944EBFA56B