2,4-Dichlorothieno[2,3-D]pyrimidine18740-39-1100 % similar 2,4-Dichloroquinazoline607-68-145 % 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 2,4,5,6-Tetrachloropyrimidine1780-40-141 % similar 2,4,6,8-Tetrachloropyrimido[5,4-D]pyrimidine32980-71-541 % similar 2,4-Dichloro-6,7-dimethoxyquinazoline27631-29-438 % similar 2,4-Dichloro-8-methoxyquinazoline61948-60-537 % similar 2,4-Dichloro-6-methoxyquinazoline105763-77-736 % similar 2,4-Dichloro-5-amino-6-methylpyrimidine13162-27-135 % similar Cyanuric chloride108-77-033 % similar 4-Chlorobenzo[B]thiophene66490-33-333 % similar 2,4-Dichloro-5,6,7,8-tetrahydroquinazoline1127-85-131 % similar 1,3-Dichloroisoquinoline7742-73-631 % similar 2,3-Dichloroquinoxaline2213-63-030 % similar 1,4-Dichlorophthalazine4752-10-730 % similar