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Abstract
Some closely related 1-(2-Benzothiazolyl)-3-methyl-5-phenyl pyrazole derivatives have been separated by TLC on silica gel-G[ddot] Most suitable solvent systems tried are (A) Pet. ether (40[ddot]-60[ddot])- Benzene (1:3) and (B) cyclohexane: ethylacetate (50:3).