definiens: means all demonstrative materials, demon strative training programs, and/or other forms of instruction in verbal or written formats that ar e in existence as of the Closing Date, and all tours of Seller ’s facilities, that demonstrates, illustra tes, or visually conveys any technical, scientific, information and technology applicable to any acquired Intellectual Property or Know - How under this Agreement, to the e xtent such personnel is currently employed by Seller and available to provide such tours, and to any formula tions, compositions or products or to their manufacture, d evelopment, registration, use, marketing or sale th at are in existence as of the Closing Date, or to methods of assaying, or evaluating, or testing them, and all b iological, chemical, pharmacological, biochemical, toxicologic al, pharmaceutical, physical and analytical, safety, quality control, manufacturing, preclinical and clinical da ta relevant to any of the foregoing that are in exi stence as of the Closing Date