1.5.1.18 (-)-ephedrine substrate inhibition at higher concentrations 19817 1.5.1.18 (R,R)-(-)-pseudoephedrine substrate inhibition 247104 1.5.1.18 (R,S)-(-)-ephedrine substrate inhibition 247103 1.5.1.18 1-Phenyl-1,3-butanedione substrate inhibition 42940 1.5.1.18 2-aminoacetophenone substrate inhibition 206584 1.5.1.18 2-chloro-1-phenyl-1-propanone substrate inhibition 239300 1.5.1.18 ethyl 2-chlorobenzoylacetate substrate inhibition 239299 1.5.1.18 methylbenzoyl formate substrate inhibition 262438 1.5.1.18 additional information EDTA causes no remarkable loss of activity 2