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Polyethylene glycol (PEG) is a synthetic polymer produced via polymerization of ethylene oxide molecules to make joining units of ethylene glycol by an ether linkage.[A190975,A190978] PEGs are water-soluble polymers that can form hydrogen bonds in a ratio of …
Polyethylene glycols (PEGs) are products made of condensed ethylene oxide and water that can contain various derivatives and have various functions. Because many PEG types are hydrophilic, they are favorably used as enhancers of penetration, and used heavily …
Tetryzoline, also known as tetrahydrozoline, is a derivative of imidazoline with central and peripheral alpha (?)-adrenergic properties.[A231769] Available since the 1950s, tetryzoline is a selective ?<sub>1</sub>-receptor agonist [A231774] that is used as a…