SEARCH Articles Figures Tables L- pyrrole L- pyrrole Pyrrole - 3 - carboxaldehyde, 4 - acetyl l-p-anisyl-5-methyl semicarbazone Pyrrole, 2- -l ,3,5-trimethylrearrangement Pyrrole-l-carboxylic acids Y-Pyrone Pyrrole, 2-acetyl-l-methylFriedel-Crafts reaction