Chemistry service set contains a set of Web services for chemistry provided by ChemSpider, ChEBI and PubChem. Services' descriptions and example workflows can be found at: http://www.taverna.org.uk/introduction/related-projects/chemtaverna/chemistry-web-services/ You can add this set of services to the list of available services in the Service Panel in the Taverna Workbench by right clicking on "Available Services" and selecting "Import services". The service set...