Ain't nothing more chiral than 4 and even 8 helicenes assembling into cages! No surprise they can differentiate enantiomers but CD can even distinguish between non-chiral guests through helical pitch modulation. https://t.co/g3u89ydYwe

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L-Methamphetamine:

👥Illegal in the

👥Methamphetamine has a center and exists as 2 (mirror images of one another)

👥L-methamphetamine is an ingredient in Vicks Vapor Inhalers

👥Its mirror image (D-methamphetamine) is a Class A illegal drug

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