N,N-dimethyl-4-(2-phenylacetyl)-1H-pyrrole-2-carboxamide N,N-dimethyl-4-(1-oxo-2-phenylethyl)-1H-pyrrole-2-carboxamide N,N-dimethyl-4-(2-phenylethanoyl)-1H-pyrrole-2-carboxamide Oprea1_030259 ZINC01384758 3D-002