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(2007/10/03)Ethyl 4-ethyl-5-iodo-3-methylpyrrole-2-carboxylate
benzyl 4-ethyl-3-methyl-1H-pyrrole-2-carboxylate
5-Ethoxycarbonyl-3-ethyl-4-methylpyrrole-2-carboxylic acid
ethyl 3,5-dimethyl-4-ethylpyrrole-2-carboxylate
ethyl 4-ethyl-3-methylpyrrole-2-carboxylate