Some quaternary ammonium silicates.
D064751:Ammonium Compounds; D007287:Inorganic Chemicals; D000644:Quaternary Ammonium Compounds; D017640:Silicates; D017655:Silicon Compounds
D064751:Ammonium Compounds; D007287:Inorganic Chemicals; D000644:Quaternary Ammonium Compounds; D017640:Silicates; D017655:Silicon Compounds
AMMONIUM COMPOUNDS, QUATERNARY; SILICON COMPOUNDS