three antimalarial drugs amodiaquine , quinacrine and chloroquine were compared side-by-side with the antiseptic agent chlorhexidine and the neuromuscular blocker alcuronium for their capacity to competitively inhibit in vitro the activity of the enzyme histamine n-methyltransferase ( hmt ) from rat kidney over the concentration range 10 ( -3 ) -10 ( -8 ) .
C0003374
antimalarial drugs
C0008269
chloroquine