InChI=1/C15H21NO6/c1-15(2,3)22-14(20)16-11(8-13(18)19)10-6-5-9(21-4)7-12(10)17/h5-7,11,17H,8H2,1-4H3,(H,16,20)(H,18,19)/p-1/t11-/m0/s1/fC15H20NO6/h16H/q-1 140456CE9BA651A9