InChI=1/C27H26O3S/c28-24-20-27(23-14-8-3-9-15-23,18-16-21-10-4-1-5-11-21)30-26(29)25(24)31-19-17-22-12-6-2-7-13-22/h1-15,25H,16-20H2/t25-,27+/m0/s1 CB3A15080493658C