1,1-dimethylethyl 3-methyl-1H-pyrazole-1-carboxylate;tert-Butyl 3-methyl-1H-pyrazole-1-carboxylate;N-tert-butyloxycarbonyl-3-methylpyrazole;3-methyl pyrazole 1-carboxylic acid tert-butyl ester;
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