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  2. Ethchlorvynol - Wikipedia

    en.wikipedia.org/wiki/Ethchlorvynol

    The systematic name of ethchlorvynol is usually given as ethyl 2-chlorovinyl ethynyl carbinol or 1-chloro-3-ethylpent-1-en-4-yn-3-ol. [citation needed] Its empirical formula is C 7 H 9 ClO. Ethchlorvynol is synthesized by an ethynylation reaction using lithium acetylide and 1-chloro-1-penten-3-one in liquid ammonia, followed by acidic work-up ...

  3. Benzocaine - Wikipedia

    en.wikipedia.org/wiki/Benzocaine

    Benzocaine is the ethyl ester of p-aminobenzoic acid (PABA). It can be prepared from PABA and ethanol [29] by Fischer esterification or via the reduction of ethyl p-nitrobenzoate. Benzocaine is sparingly soluble in water; it is more soluble in dilute acids and very soluble in ethanol, chloroform, and ethyl ether.

  4. Chloroethane - Wikipedia

    en.wikipedia.org/wiki/Chloroethane

    Chloroethane, commonly known as ethyl chloride, is a chemical compound with chemical formula CH 3 CH 2 Cl, once widely used in producing tetraethyllead, a gasoline additive. It is a colorless, flammable gas or refrigerated liquid with a faintly sweet odor.

  5. What's in the 'magic spray' World Cup players use, and does ...

    www.aol.com/news/whats-magic-spray-world-cup...

    The World Cup has brought renewed attention to the "magic spray" used when soccer players get injured during games.

  6. FDA approves new pain medication as an alternative to ... - AOL

    www.aol.com/fda-approves-pain-medication...

    As opposed to chronic pain, which can last well after an injury or illness has been treated, acute pain is more sudden – often caused by surgery or injury – and is easier to treat in the short ...

  7. Cetylpyridinium chloride - Wikipedia

    en.wikipedia.org/wiki/Cetylpyridinium_chloride

    Cetylpyridinium chloride (CPC) is a cationic quaternary ammonium compound used in some types of mouthwashes, toothpastes, lozenges, throat sprays, breath sprays, and nasal sprays. It is an antiseptic that kills bacteria and other microorganisms.