definiens: means one or more products manufactured by CELLSCRIPT selected from among a RCC KIT(defined in Section 4.1 ), T7 - FlashScribe ™ kit ( Product # [ * * ] ), ScriptCap ™ Cap1 Capping kit ( Product # [ * * ] ), ScriptCap ™ mRNA 2'-O - methyl - transferase kit and an A - Plus ™ Poly(A ) Polymerase Tailing kit ( Product # [ * * ] ), or any copies, improvements, derivatives, modifications, or combinations of any of the foregoing kits orcomponents thereof that are made by CELLSCRIPT, it being understood that no changes shall be made toKits for use by Argos without the prior approval of Argos and that all such approved changes shall be made inaccordance with cGMP or other relevant regulatory processes