definiens: shall mean all HDAC Inhibitors identified, synthesized, discovered or acquired ( collectively, ) by or under authority of MG or its Affiliates : ( a ) prior to the Effective Date, or ( b ) during the ResearchTerm, or ( c ) any time during the term of this Agreement after the Research Term, if Discovered in connection withCancer HDAC Research, or ( d ) any time during the term of this Agreement prior to [ * * * ] after completion of the lastCancer HDAC Research, if Discovered pursuant to Non - Cancer HDAC Research ; provided that in each case suchHDAC Inhibitors are used or useful in the Field . With respect to each Compound, such Compound shall include allsalts, esters, hydrates, solvates, polymorphs, free base, isomers, prodrugs, metabolites, conjugated forms and / orliposomal or other formulations thereof, and other compositions consisting of such Compound non - covalently boundedwith other moieties . In the event that MG or its Affiliate has entered or enters into an agreement with a Third Party(including an Additional Partner or Non - Cancer Partner ) in connection with Research or prior to the end of the timeperiods, each as described in clauses ( a ) through ( d ) above, Compounds shall [ * * * ] = CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, HAS BEEN OMITTED AND FILEDSEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 OF THE SECURITIES EXCHANGE ACT OF1934, AS AMENDED