InChI=1S/C22H34O7S/c23-20-17-14-16-19(21(20)22(24)25)15-12-10-8-6-4-2-1-3-5-7-9-11-13-18-29-30(26,27)28/h1,3,14,16-17,23H,2,4-13,15,18H2,(H,24,25)(H,26,27,28)/b3-1+