Affiliation: | a Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, PO Box 368, Ridgefield, CT 06877, USA b Boehringer Ingelheim Pharma GmbH & Co. KG, A Verfahrensentwicklung, Binger Straße 173, 55216 Ingelheim am Rhein, Germany c Boehringer Ingelheim (Canada) Ltd, Research and Development, 2100 Cunard Street, Laval, Québec, Canada H7S2G5 |