Synonyms: Pseudoephedrine base;(-)-Pseudoephedrine;(-)-(1R,2R)-Pseudoephedrine;(-)-psi-Ephedrine;(-)-threo-Ephedrine;(1R,2R)-(-)-Pseudoephedrine;(1R,2R)-Ephedrine;Benzenemethanol, alpha-(1-(methylamino)ethyl)-, (R-(R*,R*))-;CPDD 0049;D-(-)-Pseudoephedrine;D-Pseudoephedrine;l-(1R,2R)-Pseudoephedrine;l-Pseudoephedrine;(R-(R*,R*))-alpha-(1-(Methylamino)ethyl)benzyl alcohol;Benzenemethanol, alpha-((1R)-1-(methylamino)ethyl)-, (alphaR)-;Pseudoephedrine, (-)-;(1R,2R)-2-(methylamino)-1-phenylpropan-1-ol;(1R,2R)-1-hydroxy-N-methyl-1-phenylpropan-2-aminium