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Zephrex-D

Zephrex-D-package

DEA Disagrees with Firm’s Meth-Resistant Claim

James Shroba of the DEA wrote to Westport Pharmaceuticals saying DEA chemists were able to make meth using Zephrex-D.

05/28/2013

Getty/Craig Mitchelldyer

St. Louis Firm: Meth Can’t Be Made From Its Decongestant

Key is a new type of pseudoephedrine from which cannot be extracted.

12/04/2012

Zephrex-D-package

New Anti-Meth Pseudoephedrine Hits Stores

Several pharmacies in the St. Louis area are now selling the first-ever pseudoephedrine-based decongestant that apparently cannot be used to make methamphetamine.

12/04/2012

File photo of pills

St. Louis First to Receive Tamperproof Decongestant

Come November, local pharmacies will begin offering a new decongestant — manufactured in Maryland Heights — that cannot be converted into meth.

09/26/2012