Assertion: amphetamine's norephedrine | /r/HasProperty | phenylpropanolamine
Facets:
Source sentences:
text: Ephedra was used 5000 years ago in China as a medicinal plant; its active ingredients are alkaloids ephedrine, pseudoephedrine, norephedrine (phenylpropanolamine) and norpseudoephedrine (cathine).