InChI=1/C21H36O5/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-17(23)19-20(24)18(16-22)26-21(19)25/h18,22-23H,2-16H2,1H3/p-1/b19-17-/t18-/m1/s1/fC21H35O5/h23h/q-1 1B18A037A537BBA8