3,4-diaminopyridine is an organic compound with the chemical formula C5H7N5. It consists of a pyridine ring with two amino groups (-NH2) attached at the 3 and 4 positions. This compound is primarily used in research and has applications in the field of pharmacology. In medicine, 3,4-diaminopyridine is known for its role as a treatment for certain types of muscle weakness, particularly in conditions like myasthenia gravis. It works by enhancing the release of neurotransmitters, which helps improve communication between nerves and muscles.