Agent: Allergan, Inc.20090221586 - Oxazole compound and pharmaceutical composition: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by ???Y1-A1- or ???Y2???C(???O)??? wherein Y1 is a group such...