.beta.-lactam compounds

.beta.-lactam compounds and production process thereof

.beta.-lactams

.beta.-lactams as taxol intermediates N-acylated

.beta.-lactams containing an .alpha.-exocyclic double bond

.beta.-lactams used in preparing taxol

.beta.-lactams useful in determining the amount of elastase in a

.beta.-Lactone process

.beta.-methylene aldehydes and preparation of compounds of inter

.beta.-modification of 1-(2,4-dinitro-6-chloro-phenylazo)-2-prop

.beta.-modified crystalline fed monoazo pigment

.beta.-modified crystalline red pigment

.beta.-N-substituted aminothiol ester and process for preparing

.beta.-Nicotinamido-ethyl anthranilate

.beta.-oxo-.beta.-benzenepropanethioamide compounds

.beta.-oxo-3-thiophene propionitrile and .beta.-amino-2-(3)-thio

.beta.-phenoxyethylamines and their use for the preparation of d

.beta.-phenylisoserine derivative, its preparation and its use

.beta.-phenylisoserine-(2R,3S), salts, preparation and use there

.beta.-sarcoglycan nucleic acid sequence, and nucleic acid probe