Patent Catalytic dehalogenation, alone or with simultaneous reduction, of 11a-halo-6-deoxy-6-demethyl, 6-methylenetetracyclines by hydrazine Jan 01, 1973 GB 1360006
Patent 21-Sulfuric acid or 21-orthophosphoric acid ester sodium salts of prednisolone or 9.alpha.-fluoro-16.beta.-methylprednisolone Jan 01, 1973 DE 1793707
Patent 16.beta.-Methyl-17.alpha.-hydroxypregna-1,4,9(11)-triene-3,20-dione and analogs Jan 01, 1973 GB 1397267
Patent Gently and selectively acting palladium on carbon supports as hydrogenation catalysts Jan 01, 1973 FR 2120114