definiens: shall mean, except as otherwise provided herein, achemical entity that meets the Compound Criteria for a CK Target, which isidentified by CK using CK Existing Technology, [COMPANY] Existing Technology, Collaboration Technology, and/or Post - Collaboration Technology prior to orduring the Exclusivity Period . Any such chemical entity shall not be subject todevelopment as a Compound in accordance with Section 2.7 of this Agreement, andGSK is not obligated to conduct any research or development activities withrespect thereto . Notwithstanding the foregoing : ( a ) A chemical entity that meets the Compound Criteria for a CKTarget and which is identified by CK after the end of the Exclusivity Periodshall also be a CK Compound, if such chemical entity was derived from a compoundwithin the [COMPANY] Existing Technology, Collaboration Technology orPost - Collaboration Technology or from a [COMPANY] Library Compound licensed to CKunder Section 5.3.2 below