UMLS. CSP-HL7-ICD9CM-NCI-NDFRT-RXNORM
%
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Q Q0 Q1 Q4 Q8 QA QB QC QF QN QO QQ QR QS QT QU QV
QUA QUE QUI

quaternary ammonium compound

[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. ( MSH )]
UMLS (CSP) C0578399
 
Organic Chemical
Relation/PAR: ammonium compound
Relation/CHD: Betaine
cholestyramine
GALLAMINE TRIETHIODIDE
hexamethonium compound
neostigmine
tetraethylammonium compound
Tubocurare


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