Stevens, Davis, Miller & Mosher
Compositions containing azo compounds and use thereof for therapeutic treatment
 The compositions for therapeutic treatment contain as an active ingredient a 2-[(2-methoxyphenyl)-axo]-1H-imidazole derivative of the formula: ##STR1## wherein X is hydrogen or halogen, or a pharmaceutically acceptable salt thereof. This compound is effective for the therapeutic treatment of edema, hypotension, cardiac insufficiency and mucosa hyperemia. 
Mochida Seiyaku Kabushiki Kaisha
A C C A A A
A61P C07D C09B A61P A61P A61K
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Haruo Hiroshi Ei Yasuo
Onishi Kosuzume Mochida Suzuki