definiens: means ( a ) any [ * * * ] Program Target as to which the JPT concludes and the JSC agrees thatARCHEMIX is unable or unlikely to identify [ * * * ] Program Target ; ( b ) any [ * * * ] Program Target for which ARCHEMIX failsto identify [ * * * ] ; ( c ) any [ * * * ] Program Target for which MERCK discontinues Development of an [ * * * ] ; provided, that, atsuch time no other [ * * * ] for such [ * * * ] Program Target are in Development ; and ( d ) any [ * * * ] Program Target for which an [ * * * ] meeting the applicable DCSC exists and, except for any [ * * * ] that results from an ARCHEMIX Internal ResearchProject, for which MERCK has not paid the Development Candidate Milestone Payment in the time allotted for such paymentin Section 6.5.1 . For purposes of clarity, a Failed Target shall not be considered a Program Target