Polyether derivatives are provided having the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.5 and R.sup.6 are the same or different and are hydrogen, halogen, nitro, lower alkyl or cyano; R.sup.3 and R.sup.4 are the same or different and are hydrogen, halogen or together represent .dbd.O; and n is 1 to 5. These compounds are useful as coccidiostats and anti-inflammatory agents.