13-Bromo lysergic acid compounds

13-Ethinyl-steroids and processes for their manufacture

13-Halo and 13-deoxy C-076 compounds

13-Halo and 13-deoxy derivatives of C-076 compounds

13-Hydroxy-15-deoxy-prostaglandins

13-Norleucine-14-desamido motilin, a method for preparing it and

13-Oxabicyclo(10,4,0)hexadec-1(12)-en-14-one

13-Oxatetracyclo[8.2.1.sup.2,9.0.0.sup.3,8 ]tridec-5-ene-1,5,6,1

13-Oxatetracyclo[8.2.1.sup.2,9.0.0.sup.3,8 ]tridec-5-ene-1,5,6,1

13-Sulfa-prostaglandins

14 .beta.-Hydroxy 3-deoxycardenolides

14 .beta.-Hydroxyandrostanes

14,15-Methylene derivatives of the estrane series and methods fo

14,19-Dioxygenated steroid compounds and their 14-dehydro analog

14-Chloro prostadienoic acid compounds

14-Desoxy-14 thiocyanato-acetoxy-mutilin

14-Desoxy-14-tosyloxyacetoxy-mutilin

14-Functionalized 8,19-oxido steroids and processes for preparat

14-Substituted vincanes

14.beta.-Hydroxyandrostanes