pyridostigmine cholinesterase drug molecule. used in treatment of myasthenia gravis and as antidote to some nerve agents. atoms

pyridostigmine pyridostigmin parasympathomimetic cholinesterase inhibitor acetylcholine muscle weakness myasthenia gravis curare soman nerve agent hydrogen carbon nitrogen disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular