Definition: Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN=CR2.
general or unspecified; prefer specifics; DF: AMMONIUM CPDS
Other names Ammonium Compounds; Ammonium Compounds, Quaternary; Ammonium
FM1 43 [ FM 1-43,FM1-43,N-(3-(triethylammonium)propyl)-4-(2-(4-dibutylaminophenyl)vinyl)pyridinium,N-(3-(triethylammonium)propyl)-4-(4-(dibutylamino)styryl)pyridinium ] labels motor nerve terminals in an activity-dependent fashion that involves dye uptake by synaptic vesicles that are recycling; structure given in second source