The present invention is directed to compounds of the formula (1) Wherein A, B, D, X, Y, n, R.sup.1, R.sup.3, R.sup.4, R.sup.5, R.sup.15, R.sup.16, R.sup.17, R.sup.18 and the dashed line are as defined herein which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptor CCR-2 ##STR00001##