Phenylpropanolamine and (d)-norpseudoephedrine are indistinguishable by Toxilab.
D001067:Appetite Depressants / Q000652:urine*; D002855:Chromatography, Thin Layer; D003951:Diagnostic Errors; D006801:Humans; D010665:Phenylpropanolamine / Q000506:poisoning / Q000652:urine*; D011933:Reagent Kits, Diagnostic
D001067:Appetite Depressants; D011933:Reagent Kits, Diagnostic; C005331:norpseudoephedrine; D010665:Phenylpropanolamine