The invention provide antifungal compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof, wherein R is phenyl substituted by 1 to 3 substituents each independently selected from halo, --CF.sub.3 and --OCF.sub.3 ; R.sup.1 is C.sub.1 -C.sub.4 alkyl; R.sup.2 is H or C.sub.1 -C.sub.4 alkyl; X is CH or N; and Y is F or Cl.