InChI=1/C18H28N2O8/c1-7-11(21)13(23)15(25)17(27-7)19-9-4-3-5-10(6-9)20-18-16(26)14(24)12(22)8(2)28-18/h3-8,11-26H,1-2H3/t7-,8-,11+,12+,13-,14+,15-,16-,17+,18+/m0/s1 0A1C1B5856B9BAE8