title: [New information on chemical toxicity].
mesh_terms: D016587:Antimutagenic Agents / Q000737:chemistry / Q000494:pharmacology*; D006801:Humans; D011743:Pyrimidines / Q000737:chemistry / Q000494:pharmacology*
chemical_list: D016587:Antimutagenic Agents; D011743:Pyrimidines; C069705:xymedon