Novel .beta.-endorphin analogs

Novel .beta.-ketone compounds

Novel .beta.-lactam acetic acid derivatives

Novel 1,2,3,4-tetrahydro-4-oxo-(-oxy-)-1-naphthylamines and meth

Novel 1,2,3,4-tetrahydro-4-oxo-(oxy)-1-naphthylamines and method

Novel 1,2-diaza-1,5,9-cyclo dodecatrienes and 1,2-diaza-1-cyclod

Novel 1,2-methylene-17.alpha.-acyloxy (or improved hydroxy)-9.be

Novel 1-aryl-2-arylalkyl-3-or-4-[4'-(substituted-alkyl)-piperazi

Novel 1-aryl-2-arylalkyl-3-or-4-[4'-(substituted-alkyl)piperazin

Novel 1-phthalazone derivative, a process for its preparation an

Novel 1-[3-(5,6,7,8-tetrahydronaphth-1-yloxy)-propyl]-piperazine

Novel 11-deoxy-11-substituted prostaglandins of the E and F seri

Novel 11-deoxy-substituted prostaglandins of the E and F series

Novel 11.beta.-alkyl steroids of the estrane series

Novel 15-substituted prostanoic acids and esters

Novel 15-substituted prostanoic acids and esters

Novel 17-oxazoline-steroids

Novel 17-spirosultines

Novel 2,4-disubstituted pyran derivatives, their preparation and

Novel 2,6-dinitrophenyl selenium compounds and their use as epox