26032-74-6 4-Pyrimidinecarboxylic acid, 5-((4-methylphenyl)thio)-2-(methylthio)- 5-((4-Methylphenyl)thio)-2-(methylthio)-4-pyrimidinecarboxylic acid 5-25-07-00008 (Beilstein Handbook Reference) BRN 0891276