3-ethyl-N-methoxy-N-methyl-4-methylpyrrole-2-carboxamide

3-nitropentan-2-ol acetate

4-ethyl-3-methyl-2-(p-toluenesulfonyl)-1H-pyrrole

2-bromo-3-ethyl-4-methyl-5-p-toluenesulfonyl-pyrrole

4-ethyl-5-bromo-3-methyl-pyrrole-2-carboxylic acid