##STR00001## Compounds of formula (I) in free or pharmaceutically
acceptable salt form, where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5,
R.sup.6, R.sup.7, m, n, w, X, and Y have the meanings as indicated in the
specification, are useful for treating conditions mediated by the
CRTh.sub.2 receptor, especially inflammatory or obstructive airways
diseases.