Patent Process for the preparation of flumethasone and its 17-carboxyl-androstene analog Jan 01, 2002 WO 2002100878
Patent Rhodium hydrogenation catalysts particularly for stereoselective hydrogenation of methacycline to doxycycline Jan 01, 1989 EP 283616
Patent Rhodium-containing hydrogenation catalysts for the conversion of methacycline to doxycycline Jan 01, 1989 EP 283615
Patent Water-soluble complexes of .alpha.-6-deoxy-5-hydroxytetracycline and sodium tetrametaphosphate and their use Jan 01, 1982 GB 2088864
Patent Alkali metal polymetaphosphate complexes of hydroxytetracycline.alpha.-6-deoxy-5- Jan 01, 1978 PT 54708
Patent Polyphosphate complexes of 6-demethyl-6-deoxy-6-methylenetetracycline and its 11a-halo derivatives Jan 01, 1977 ES 420504