InChI=1S/C14H23NO6/c1-7(2)5-10(15-8(3)16)12-9(14(19)20-4)6-11(21-12)13(17)18/h7,9-12H,5-6H2,1-4H3,(H,15,16)(H,17,18)/t9-,10+,11-,12-/m1/s1