benzenesulphonic acid\ˌben-ˌzēn-ˌsəl-ˌfän-ik-, -ˌfōn-\
Medical Definition of benzenesulfonic acid
: a colorless crystalline acid C6H5SO3H made by sulfonating benzene and used in organic synthesis, in the form of its besylate in pharmacology, and in the form of derivatives as detergents
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