4-Pyrimidinecarboxylic acid, 5-((4-bromophenyl)thio)-2-(methylthio)- 5-((4-Bromophenyl)thio)-2-(methylthio)-4-pyrimidinecarboxylic acid 5-25-07-00007 (Beilstein Handbook Reference) 61727-08-0 BRN 0925901