Try searching for...
SCFBio, IIT Delhi
Formula: C12H24O4S8 | Mol. Weight: 488.90 g/mol
IUPAC: 1,2,6,7,11,12,16,17-octathiacycloicosane-4,9,14,19-tetrol
C1C(CSSCC(CSSCC(CSSCC(CSS1)O)O)O)O