can't read?
2-Amino-3-hydroxypyridine forms complexes with number of transition metals. It inhibits the corrosion of aluminium and copper in acidic solutions.
A 5697 (OTTO) 2-Amino-3-hydroxypyridine, 98% Cas 16867-03-1 - used as reagent in reaction of dimethyl acetylenedicarboxylate and triphenylphosphine to yield functionalized coumarins and 1,4-oxazines.