definiens: shall mean all mat erial confidential information and tangible materials related to the d evelopment, manufacture, sale or use of a Compound or a Product, including, but not limited to : pharmaceuti cal, chemical, biological and biochemical compositi ons ; and technical data and information ; available descripti ons, if any, of assays, methods and processes ; the results of tests, including without limitation screening resul ts, SAR data, optimization data, in vitro and in vi vo data ; preclinical, clinical and research, manufacturing p rocesses and procedures ; analytical and quality con trol data ; and plans, specifications and/or other documents co ntaining said information and data ; in each case wh ich are owned or acquired by MG prior to the Effective Date or discovered, developed or acquired by or under a uthority of MG or its Affiliates during the term of this Agr eement