InChI=1S/C28H46O4S/c1-18(2)19(3)7-8-20(4)24-11-12-25-23-10-9-21-17-22(32-33(29,30)31)13-15-27(21,5)26(23)14-16-28(24,25)6/h7,9,18,20,22-26H,8,10-17H2,1-6H3,(H,29,30,31)/b19-7+/t20?,22?,23?,24?,25?,26?,27-,28+/m0/s1