InChI=1S/C23H37N3O8S/c1-14(27)8-11-23(34)21(2,3)9-5-10-22(23,4)35-13-16(19(31)25-12-18(29)30)26-17(28)7-6-15(24)20(32)33/h8,11,15-16,34H,5-7,9-10,12-13,24H2,1-4H3,(H,25,31)(H,26,28)(H,29,30)(H,32,33)/b11-8+