1. Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark, Department of Medicinal Chemistry, The Danish University for Pharmaceutical Sciences, Universitetsparken 2, DK-2200 Copenhagen N, Denmark, and Novo Nordisk A/S, Novo Nordisk Park, DK-2760 Måløv, Denmark clcp@novonordisk.com