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A volatile toxin found in some mushrooms, an inhibitor of GABA synthesis that can cause seizures; also antagonizes pyridoxine.
References in periodicals archive ?
Our monomethylhydrazine provides the power to maneuver the Space Shuttle in orbit and to bring it safely back to earth.
The high-performance engine burns a combination of fuels -- monomethylhydrazine (MMH) and nitrogen tetroxide (NTO) -- and operates at a nominal thrust of 110 pounds.