6-hydroxypicolinaldehyde

6-hydroxypyridine-2-carbaldehyde

6-Hydroxypyridine-2-carboxaldehyde

6-oxo-1,6-dihydropyridine-2-carbaldehyde

2-Pyridinecarboxaldehyde,1,6-dihydro-6-oxo-(9CI)

6-Hydroxypyridine-2-carboxaldehyde, 6-Hydroxypicolinaldehyde, 1,2-Dihydro-6-formyl-2-oxopyridine