.beta.-substituted polyfluoroethyl compounds

.beta.-substituted polyfluoropropionate salts and derivatives

.beta.-sulfonyl hydroxamic acids

.beta..sub.3 -adrenergic agents, benzodioxole dicarboxylates and

.beta.Galactosyl-umbelliferone valproic acid conjugates

.beta.methyl azetidinone derivatives and stereoselective process

.delta.-amino-.gamma.-hydroxy-.omega.-aryl-alkanoic acids

.DELTA.-Triazine-2,6-dione

.delta..sup.1,4 -pregnadiene-3,20-diones

.DELTA..sup.2,3 -1,4 Morpholine-2-carboxylic acid derivatives as

.DELTA..sup.2,3 -1,4-Morpholine-2-carboxylic acid derivatives as

.DELTA..sup.2,3 -1,4-Morpholine-2-carboxylic acid derivatives as

.DELTA..sup.3 -3-Vinyl or substituted vinyl-4-carboxy cephalospo

.DELTA..sup.3 -Prostaglandin analogs

.DELTA..sup.3 -Prostaglandin analogs

.DELTA..sup.4,9(11),17(20) -pregnatriene-3-ones

.DELTA..sup.6,7 -taxols antineoplastic use and pharmaceutical co

.DELTA..sup.8,9 -Prostaglandin derivatives, their preparation an

.DELTA..sup.9 (11) -5.alpha.-D-homo-20-keto steroids

.DELTA..sup.9(11) -angiostatic steroids