InChI=1S/C15H24O5S/c1-10(8-16)7-12-4-3-11(2)14-6-5-13(15(12)14)9-20-21(17,18)19/h7,11-12,14,16H,3-6,8-9H2,1-2H3,(H,17,18,19)/b10-7+