If you like this workflow, please reference our paper doi:10.1002/minf.201100076, and check the related workflows RDKit-pains-parallel, and Indigo-pains.*** Update 20151119 - using KNIME 3 and RDKit version of PAINS queries ***Implementation of the PAINS filters[1] using the RDKit (3.0.0.201511131320) nodes in KNIME (3.0.1). Original PAINS filters were published in SLN format. This workflow contains the SMARTS form of the filters published by Greg Landrum as part of the RDKit library[2], whic...