InChI=1/C18H26N2O7S/c1-12-16(18(22)25-3)17(13(2)27-12)28(23,24)20-8-6-19(7-9-20)15(21)11-14-5-4-10-26-14/h14H,4-11H2,1-3H3/t14-/m0/s1 0F1B8CCFDE23A20A