3d image of tetramethylammonium hydroxide skeletal formula

tetramethylammonium hydroxide tmah tmaoh trimethylmethanaminium quaternary ammonium salt anisotropic etching silicon photoresists photolithography nanoparticle aggregation ferrofluids surfactant pyrolysis derivatization anisotropically etch neurotransmitter neuromuscular junction autonomic ganglia 3d substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block poison venom toxicant toxic toxicity toxin toxicology poisoning danger hazard acute harmful kill exposure limit intoxication