(2-Amino-2-oxoethoxy)acetic acid compounds, compositions and met

(2-Imidazolin-2-ylamino) substituted -quinoxalines and -quinazol

(2-Oxo-pyrrolidines)-acetic hydrazides

(2-Oxo-pyrrolidines)-acetic hydrazides

(3,4';4,5)-Pyrido (3,2-g)-furo coumarins or (3,4-h) pyrido psora

(3-Alkylamino-2-hydroxypropoxy)-1-hydrazinophthalazines

(3-Amino-5-substituted-6-fluoropyrazinoyl or pyrazamido)-guanidi

(3-Aralkylamino-2-or-propoxy)heterocyclic compounds

(3-Methyl-2-butenyl)propanedioic acid mono (1,2-diphenylhydrazid

(3-Piperazinocarbonylimino-quanidino)-isoxazoles

(3.2.0) Bicycloheptanone oxime ethers with therapeutic propertie

(4'-Biphenylyloxy and-thio-oxy)-3-hydroxy-3-pyrroline-2,5-diones

(4-Hydroxy-4-piperidyl)-alkanoic acid amides

(4-Phenoxy)-phenoxy-alkyl(or cyclohexyl) carbamates

(4-Phenoxyphenoxy)alkyl cyclopropanecarboxylates

(4-Phenyl-piperazino alkyl)-3-benzoyl-benzene alkanoates

(5R, 6S, 8R-6-(1-Hydroxyethyl)-2-(2-[methylaminocarbonyl]-ethylt

(5R,6S,8R)-6-(1-Hydroxyethyl)-2-(2-fluoroethylthio)-penem-3-carb

(5R,6S,8R)-6-(1-Hydroxyethyl)-2-(hydroxyalkylthio)-penem-3-carbo

(5R-6S,8R )-6-(1-Hydroxyethyl)-2-(2-glycylaminoethylthio)-penem-