| 摘要 |
1,218,640. 2,6 - Diphenyl - 4,5 - dihydro- 3(2H) - pyridazone derivatives. SUMITOMO CHEMICAL CO. Ltd. 21 Nov., 1968 [22 Nov., 1967], No. 65372/68. Heading C2C. Novel compounds of formula wherein R 1 is an alkyl, alkoxy or alkylthio group of 1-5 carbon atoms R 2 is H or CH 3 and X is halogen or C 1-5 alkoxy are prepared by reaction of a compound of formula and a compound of formula Pharmaceutical compositions having antiinflammatory, anti-tuberculous and anti-virus activity comprise an above novel compound and a pharmaceutical carrier.
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