abstract |
The instant invention provides aqueous soluble prodrugs of formula (I) or a pharmaceutically acceptable salt thereof wherein R is -CH2OZ, -C(=O)OCH2OZ or Z, wherein Z is formula (a), -P(=O)(OH)2 or -C(=O)Q: n is an integer of from 0 to 3; m is an integer of from 0 to 1, of certain tachykinin antagonists (NK1 antagonists) useful in the treatment of emesis. |