InChI=1S/C12H19NO6/c1-6(2)5-18-12-10(13-7(3)14)8(15)4-9(19-12)11(16)17/h4,6,8,10,12,15H,5H2,1-3H3,(H,13,14)(H,16,17)/t8-,10+,12+/m0/s1