In the centrosymmetric title compound, C(18)H(12)N(2)S(24), the five- (r.m.s. deviation = 0.002 Å) and six-membered (r.m.s. deviation = 0.002 Å) rings are essentially coplanar [dihedral angle between rings = 1.9 (1)°].
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.