iophenoxic acid

A radiographic contrast medium; formerly used for oral cholecystography. SYN: iophenoic acid.

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io·phen·ox·ic acid .ī-ə-.fen-.äk-sik- n a compound C₁₁H₁₁I₃O₃ administered as a radiopaque medium in cholecystography

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io·phen·ox·ic ac·id (i″o-fən-okґsik) a radiopaque medium used in cholecystography. Called also triiodoethionic acid.