What is the name of a white round pill with 301 on one side an ethex on the other

Pill imprint 301 ETHEX has been identified as Ketorolac tromethamine 10 mg, which is used to treat pain and is a nonsteroidal anti-inflammatory agent.

Tag: ketorolac 
Saturday, February 04 2012
Source: http://www.drugs.com/imprints/301-ethex-8196.html