InChI=1S/C15H21NO6/c1-8(4-3-5-9(2)14(19)20)11-7-16-13(15(21)22)10(11)6-12(17)18/h4-5,10-11,13,16H,3,6-7H2,1-2H3,(H,17,18)(H,19,20)(H,21,22)/b8-4-,9-5+/t10-,11+,13-/m0/s1