definiens: means during the Option Term ( and, if an IND - Ready Option Period or POC OptionPeriod begins during the Option Term and has not expired as of the last day of the Option Term, thereafter until thelast day of such IND - Ready Option Period or POC Option Period ), any Secondary Pharmacology Compound or OtherNNR Compound on which [COMPANY] conducts research or development activities specifically for use in the Territoryin the Field or, prior to the Schizophrenia Expiration Date, Schizophrenia and elects, in its sole discretion, todesignate as an Option Compound . For purposes of clarity, ( a ) an Alpha4Beta2 Agonist shall not be an OptionCompound, ( b ) an Unexercised Option Compound shall, upon becoming an Unexercised Option Compound, cease tobe an Option Compound, ( c ) a Terminated Compound that was previously an Option Compound shall, upon becominga Terminated Compound, cease to be an Option Compound and ( d ) an Excluded Zone Compound shall not be anOption Compound