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camphorsulfonic acid

noun
cam·​phor·​sul·​fon·​ic acid | \¦kam(p)fə(r)ˌsəl¦fänik-, -aam-\

Definition of camphorsulfonic acid 

: a white crystalline acid C10H15OSO3H made by reaction of camphor with sulfuric acid and acetic anhydride and used especially in the form of salts as a stimulant (as in heart failure, shock, or some types of poisoning)

— called also betacamphorsulfonic acid

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