http://AATesaurus.cultura.gencat.cat/aat/getty_en Tesaurus d'Art i Arquitectura Getty Institute Getty Institute 0000-00-00 en 2026-03-30 20:32:36 quaternary ammonium compounds 2026-03-30 20:32:36 compounds, quaternary ammonium http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343359 QACs http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343359 quaternary ammonium compound http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343359 quaternary ammonium salts http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31343359http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31319736