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4-Aminopyridine (4-AP, INN fampridine, USAN dalfampridine) is an organic compound with the chemical formula C5H4N–NH2. The molecule is one of the three isomeric amines of pyridine.
A 2008 (OTTO) 4-Amino pyridine, 99% Cas no 504-24-5 - used to study the nerve conduction in fibres of normal rat spinal roots and those demyelinated with diphtheria toxin.