EXETER, N.H.--(BUSINESS WIRE)--Bentley Pharmaceuticals, Inc. (NYSE: BNT), a specialty pharmaceutical company, today announced that its subsidiaries, Laboratorios Davur and Laboratorios Rimafar, have received product approval for tamulosin from the Spanish Ministry of Health. Bentley’s subsidiary, Laboratorios Belmac, also received approval for a branded generic equivalent of tamulosin under the trade name Vetevel™.