The present invention relates to 4-amino-5-methylpyrazole derivatives represented by the following formula (I):
 (wherein R1 represents an isobutyl group, a cyclobutylmethyl group, a neopentyl group or the like) or a salt thereof, which are novel compounds being useful as synthetic intermediates of pharmaceuticals, agricultural chemicals or the like.
                            本发明涉及以下式(I)所表示的4-
氨基-5-甲基
吡唑衍
生物(其中R1表示异丁基基团、
环丁基甲基基团、新戊基基团或类似物)或其盐,这些新化合物可用作药物、农药或类似物的合成中间体。