The invention provides a compound of formula (I), wherein: T is C(O) or S(O).sub.2; W is C(O) or S(O).sub.2; X is CH.sub.2, O or NH; Y is CR.sup.5 or N; R.sup.1 is optionally substituted aryl or optionally substituted heterocyclyl; R.sup.2 is hydrogen or C.sub.1-6alkyl; R.sup.3 is hydrogen or optionally substituted C.sub.1-6alkyl; and R.sup.4 is alkyl, optionally substituted aryl, optionally substituted aralkyl or optionally substituted heterocyclyl; that are modulators of chemokine (especially CCR3) activity and are especially useful for treating asthma and/or rhinitis ##STR00001##