25-Hydroxy-26,26,26,27,27,27-hexafluorocholecalciferol

25-Hydroxycholecalciferol-23,24-.sup.3 H and process for the pre

25-Substituted-5.alpha.-cholestane-3.beta.,22S-diol

26,26,26,27,27,27-Hexafluoro-1.alpha.,25-dihydroxycholecalcifero

2:1 Metal complexes of 2,2',4'-trihydroxy-3,5-dinitroazobenzene

2A,2B-Dihomo-11-deoxy-17(substituted phenyl)-18,19,20-trinor-PGE

2A,2B-Dihomo-15-alkyl PGF.sub.1 .alpha. analogs

2A,2B-Dihomo-15-alkyl-PGE.sub.1 analogs

2A,2B-Dihomo-15-alkyl-PGE.sub.2 analogs

2a,2b-Dihomo-15-alkyl-PGF.sub.1.beta. compounds

2a,2b-Dihomo-15-alkyl-PGF.sub.2.beta. compounds

2A,2B-Dihomo-15-alkyl-PGF.sub.2.sub..alpha. analogs

2A,2B-Dihomo-16,16-dimethyl-PGF.sub.2 analogs

2H-1,3,2-dioxaborino-[5,4-c]-1,2-benzo-thiazine 6,6-dioxides

2H-2-benzazepin-1,3-diones

2H-Cyclopenta(b)furan-2-ones

2[(1-Cyano-1-methylethyl)azo]-2-methylpropionamide