2-Chloro-3-fluoropyridine17282-04-136 % similar 2,6-Dichloro-3-fluoropyridine52208-50-136 % similar 5-Amino-4-chloropyrimidine54660-78-536 % similar 5-Bromo-4-chloropyrimidine56181-39-636 % similar 4-Chloro-5-iodopyrimidine63558-65-636 % similar 4,5-Dichloro-7H-pyrrolo[2,3-D]pyrimidine115093-90-835 % similar 4-Chloro-6,7-dihydro-5H-pyrrolo(2,3-d)pyrimidine16372-08-035 % similar 5-Bromo-4-chlorothieno[2,3-D]pyrimidine814918-95-135 % similar 4,6-Dichloropyrimidine1193-21-135 % similar 4,6-Difluoropyrimidine2802-62-235 % similar 2,3-Dichloro-5-fluoropyridine185985-40-434 % similar 4-Chloro-6-methylthieno(2,3-d)pyrimidine106691-21-834 % similar 6-Chloro-9-methylpurine2346-74-934 % similar 4-Chloro-5-methylthieno[2,3-d]pyrimidine43088-67-134 % similar 6-Bromo-4-chlorothieno[2,3-D]pyrimidine56844-12-334 % similar 4-Amino-6-chloropyrimidine-5-carbonitrile60025-09-434 % similar 4-Chloro-5-cyclopropyl-7h-pyrrolo[2,3-d]pyrimidine1207543-16-534 % similar 7-Bromo-4-chloro-5H-pyrrolo[3,2-D]pyrimidine1032650-41-133 % similar 4-Chloro-5,6-dimethylthieno(2,3-d)pyrimidine108831-68-133 % similar 4-Chloro-5-iodo-7H-pyrrol[2,3-D]pyrimidine123148-78-733 % similar