definiens: ( an acronym for ) shall mean any synthetic or natural molecule, or portion of such molecule, or molecule derivative from another molecule, that in its natural state shows specific binding to : ( a ) natural or synthetic alpha - fetoprotein ( ) ; ( b ) a fragment of AFP ; ( c ) a modification of AFP ; ( d ) a modification of a fragment of AFP ; ( e ) native or synthetic AFP bound to fatty acids or other molecules ; or ( f ) a fragment of AFP bound to other fatty acids or other molecules . as used in this Section 1.16, means an interaction between two ( 2 ) molecules that : ( x ) becomes saturated as the concentration of one ( 1 ) of the molecules is increased with respect to the other ; and ( y ) can be competed with the other molecule or an excess of the same molecule unlabeled . In the event ( i ) RECAF specifically binds to another molecule known in the public domain, ( ii ) [COMPANY] does not have a product for sale or a technology already licensed to others based on said molecule as of the Effective Date, and ( iii ) [COMPANY] decides to develop and commercialize a product or a technology based on said molecule specifically pertaining to the field of cancer diagnostics, then such product or technology shall be deemed a Product subject to the terms and conditions of this Agreement