6-Bromopyridine-2-carbaldehyde6-Bromopyridine-2-carboxaldehyde 95%6-bromopicolinaldehyde6-Bromo-2-pyridinecarboxaldehyde6-溴吡啶-2-甲醛6-Bromo-pyridine-2-carbaldehyde6-Bromopyridine-2-carboxaldehyde6-Bromopyridine-2-carboxaldehyde6-溴-2-吡啶甲醛6-Bromopicolylaldehyde6-Bromo-picolinaldehyde2-Bromo-6-formylpyridine6-Bromo-2-pyridinecarboxaldehyde