<prompt> Wof is injectable COX-2 inhibitorCelecoxibEtoricoxibParecoxibNone of the above  <response>: Parecoxib:- It is a prodrug of valdecoxib suitable for injection, and to be used in post- operative or similar sho-term pain, with efficacy similar to ketorolac. Ref:- kd tripathi;pg num:-206 