Substituted 1-benzoyl-2-phenyliminoimidazolidine derivatives
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United States of America Patent
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Apr 8, 1986
Issued Date -
N/A
app pub date -
May 17, 1984
filing date -
Jan 7, 1982
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Expired
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Abstract
Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are hydrogen, halogen, methyl or methoxy and R.sub.3, R.sub.4 and R.sub.5 are hydrogen, methyl or an electronegative substituent from the group consisting of halogen, C.sub.1 to C.sub.4 -alkoxy, cyano, nitro or methylsulfonyl, with the proviso that one of the radicals R.sub.3 to R.sub.5 is always the electronegative substituent of said group, and pharmaceutically acceptable acid addition salts thereof; the compounds as well as the salts are useful as analgesics.
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