5-Bromo-3-phenyl-1H-pyrazolo[3,4-c]pyridazine
5-Bromo-3-(4-fluorophenyl)-1H-pyrazolo[3,4-c]pyridazine
4-Chloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine hydrochloride
4-Chloro-3-ethynyl-5-nitropyridin-2-amine
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