| 摘要 |
The present invention relates to compounds of formula (I) wherein R1 and R2 independently represent one or more, same or different substituents selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, carbamoyl, phenyl, or nitro ; R2 further being represented by hydrogen; R3 represents hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1- C3)alkoxycarbonyl, phenyl, cyano, carboxy or carbamoyl; R4 represents hydrogen, (C1-C3)alkyl, or allyl; X represents oxygen or sulphur; with the proviso that formula (I) does not comprise the compound 2,2,2-trifluoro- N-[2-[3-chloro-4-(2-methylbenzoyl)-phenylamino]-phenyl]acetamide wherein R1 is a 2-methyl, R2 is 2-chloro, R3 and R4 is hydrogen, and X is oxygen; and a salt thereof with a pharmaceutically acceptable acid, a hydrat e or a solvate thereof. The compounds are valuable in the human and veterinary therapy.
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