2,4-Dichlorothieno[2,3-d]pyrimidine18740-39-1100 % similar 4-Chloro-2-methylthieno[2,3-d]pyrimidine56843-79-963 % similar 4-Chlorothieno[2,3-D]pyrimidine14080-59-253 % similar 2,4-Dichlorothieno[3,2-D]pyrimidine16234-14-353 % similar 2,4-Dichloroquinazoline607-68-145 % similar 5,7-Dichlorothiazolo(5,4-d)pyrimidine13479-88-444 % similar 7-Bromo-2,4-dichloroquinazoline959237-68-443 % similar 4-Chlorothieno[3,2-c]pyridine27685-94-542 % similar 2,4,7-Trichloropyrido(2,3-d)pyrimidine938443-20-042 % similar 2,4-Dichloro-pyrido[2,3-d]pyrimidine126728-20-941 % similar 2,4,6-Trichloroquinazoline20028-68-641 % similar 8-Bromo-2,4-dichloroquinazoline331647-05-341 % similar 2,4-Dichloropyrido[3,4-D]pyrimidine908240-50-641 % similar 2,4,5,6-Tetrachloropyrimidine1780-40-141 % similar 2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine32980-71-541 % similar 2,4-Dichloro-7-methoxyquinazoline62484-31-539 % similar 6-Bromo-2,4-dichloroquinazoline102393-82-839 % similar 4,6-Dichloro-1H-pyrazolo(3,4-d)pyrimidine42754-96-138 % similar 2,4,6-Trichloro-5-methylpyrimidine1780-36-538 % similar 2,4-Dichloro-6,7-dimethoxyquinazoline27631-29-438 % similar