摘要 |
[2-Halo-10-oxy-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene]acetic acids, for example of formula I <IMAGE> (I) wherein R1 is H or C1-4alkyl and R2 is halogen, their physiologically-hydrolysable and -acceptable esters, and salts thereof. Such compounds, esters and salts possess valuable pharmaceutical, in particular anti-inflammatory, antipyretic and analgesic, properties.
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