#$%^&*AU2013200669A120130228.pdf#####C: \NRPortbl\DCC\MDT\4914729 IDOC-7 02/2013 EP2 RECEPTOR AGONISTS FOR TREATING GLAUCOMA Abstract The present invention provides novel compounds represented by the formula wherein R is as defined in the specification and wherein said compounds are useful for treating ocular hypertension and/or providing neuroprotection to the eye of a mammal.