1. Department of Biocatalysis and Isotope Chemistry, Almac Sciences, Almac House, 20 Seagoe Industrial Estate, Craigavon, Northern Ireland BT63 5QD, U.K.
2. Indivior UK Limited, Henry Boot Way, Hull HU4 7DY, U.K.
3. Arran Chemical Company, Unit 1 Monksland Industrial Estate, Athlone, Co., Roscommon N37 DN24, Ireland