摘要 |
The present invention provides R, R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, X, c, d, e, f, g, x, y, a, b, z and n are defined in the specification. These compounds are useful in lowering IOP and/or treating glaucoma or providing neuroprotection to the eye of a human patient. |