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单词 Anesthone
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Anesthone

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Benzocaine

Jiffy Toothache Drops bottle (7.75% Benzocaine)
Prepd by the esterification of p-aminobenzoic acid:[30][31] by the reduction of ethyl p-nitrobenzoate:[32][33]

Benzocaine is a local anesthetic commonly used as a topical pain reliever or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments such as products for oral ulcers. It is also combined with antipyrine to form A/B otic drops to relieve ear pain and remove earwax.

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