374554-89-9, Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 374554-89-9
5- And/or 7-substituted pyrazolo-[4,3-b]-pyridines and their use as antiinflammatory agents
Compounds of the formula (I) and pharmaceutically acceptable salts thereof: STR1 wherein: the first of R1 and R2 is hydrogen, C1-4 alkyl or phenyl optionally substituted by one or two substituents selected from halogen, CF3, C1-4 alkoxy or alkyl and the second is SR4 wherein R4 is phenyl optionally substituted by halogen, CF3, C1-4 alkoxy or C1-4 alkyl, or NR5 R6 wherein R5 and R6 are independently selected from hydrogen, C1-6 alkyl, C3-8 cycloalkyl, phenyl or phenyl C1-4 alkyl either of which phenyl moieties may be substituted by one or two substituents selected from halogen, CF3, C1-4 alkoxy or C1-4 alkyl, or R5 and R6 together form C4-6 polymethylene; and R3 is hydrogen, C1-4 alkyl or benzyl and is attached at nitrogen atom 1 or 2, having anti-inflammatory activity, a process for their preparation and their use as pharmaceuticals.
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Reference£º
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics