4-Desoxy-thiazolo[5,4-c]rifamycin derivatives and their use as a

4-Dichlorophenylurazole compounds and use in agricultural fungic

4-Hydroxy-2,1,3-benzthiadiazole compounds and .beta.-adrenergic

4-Hydroxy-2-benzimidazoline-thione compounds and pharmaceutical

4-Hydroxy-5-substituted-3(2H)-isothiazolone-1,1-dioxide derivati

4-Hydroxy-5-substituted-3-(2H)-isothiazolone-1,1-dioxide derivat

4-Hydroxy-benzimidazole compounds and therapeutic compositions

4-Imino-1,3-diazabicyclo-(3.1.0)-hexan-2-one as a cancerostat an

4-Nitro-2-trichloromethylphenyl disulfides

4-Nitro-5-cyanoimidazoles as coccidiostats

4-Phenyl-2-thiazolyl-oxamates useful in the treatment of asthma

4-Phenyl-4,5,6,7-tetrahydro-pyrrolo [2,3-c] pyridines and salts

4-Piperidinobutyrophenones as neuroleptics

4-Substituted pyrazoles

4-Substituted pyrazoles

4-Substituted pyrazoles

4-Substituted thiazolyl-2-oxamic acids and salts and esters ther

4-Substituted-2-arylimidazoles

4-Tertiary-amino-2,6-diaminopyridine 1-oxides

4-[(Monosubstituted-alkyl)amino]benzoic acids and analogs as hyp