4-Bromo-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine
2-Phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3(2H)-one
2-Ethynyl-4-nitropyridine
2-Bromo-3-methylpyridine 1-oxide
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