definiens: means all Know - How ( including MSD 's Inventions, its Information and its interest in Joint Inventions ) that was conceived, generated or reduced to practice before or during the Program Term or within the twelve ( \ 2 ) month period following the Program Term and which is in MSO 's or its Affiliates ' Control during the Program Term or within the twelve ( \2 ) month period following the Program Term, and is either ( a ) related to VRI and its modulation or the identification and discovery of VR I Modulators, or ( b ) necessary to NEUROGEN to conduct its activities under the Program . Notwithstanding any other provision of this Agreement, it is understood and agreed to by the Parties that the MSO Know - How does not include any ofMSD 's proprietary screening, combinatorial chemistry or computational chemistry technologies that are not specific to VRI, including MSD 's and MERCK 's chemical libraries