The following articles (labelled with PubMed ID or TBD) are for your review
||Rodent selectivity of piperidine-4-yl-1H-indoles, a series of CC chemokine receptor-3 (CCR3) antagonists: insights from a receptor model.
||Boehringer Ingelheim Pharma GmbH& Co. KG
||Discovery of CC chemokine receptor-3 (CCR3) antagonists with picomolar potency.
||Pharmaceutical Research Institute
||The synthesis of substituted bipiperidine amide compounds as CCR3 antagonists.
||Schering Plough Research Institute