definiens: shall mean, with respect to a particular Program, an internal [COMPANY] drugdiscovery or development program directed to discovering or developing compounds directed to the same Target ascompounds in such Program, provided and for so long as such internal [COMPANY] program is being diligently conductedby [COMPANY] ; specifically ( i ) a Competing [COMPANY] Program for the Tier 1 Program is an internal [COMPANY] drug discovery ordevelopment program directed to discovering or developing 5HT6 antagonist compounds ; ( ii ) a Competing RocheProgram for the Tier 2 Program is an internal [COMPANY] drug discovery or development program directed to discovering ordeveloping A2A antagonist compounds ; and ( iii ) a Competing [COMPANY] Program for a Tier 3 Program is a an internalRoche drug discovery or development program directed to discovering or developing IP antagonist compounds, mGluR1 agonist compounds, or DbetaH inhibitor compounds