2,4-Dichloro-5H-pyrrolo[3,2-D]pyrimidine63200-54-431 % similar 2,4,7-Trichloropyrido(2,3-d)pyrimidine938443-20-031 % similar 2,4-Dichlorofuro[3,2-D]pyrimidine956034-07-431 % similar 4-Amino-3,5-dimethylisoxazole31329-64-330 % similar 2,4-Dichloro-6-methylpyrimidine5424-21-530 % similar 2,4-Dichloro-8-methoxyquinazoline61948-60-530 % similar 2,6-Xylidine87-62-730 % similar