2-Amino-5-((o-chlorophenyl)azo)-4,6-dimethylpyrimidine 24748-92-3 5-25-18-00267 (Beilstein Handbook Reference) BRN 0253675 Py-66 Pyrimidine, 2-amino-5-((o-chlorophenyl)azo)-4,6-dimethyl-