InChI=1S/C15H24O5S/c1-10(8-16)4-3-5-14(2)11-6-12-13(7-11)15(12,14)9-20-21(17,18)19/h4,11-13,16H,3,5-9H2,1-2H3,(H,17,18,19)/b10-4-