9,11-Dihalo-PG.sub.2 compounds

9-10 Ethanoanthracene derivatives

9-Bromoprostaglandins, their preparation, and their use as medic

9-chloro-prostaglandin derivatives

9-Deoxy-16,16-dimethyl-PGF.sub.2 compounds

9-Deoxy-9 -methylene-inter-phenylene-13,14-didehydro-16-phenyl-1

9-Deoxy-9-methylene derivatives of (dl)-16-phenoxy and 16-phenox

9-Deoxy-9-methylene-11-deoxy-11-h ydroxymethyl-inter-phenylene-1

9-Deoxy-9-methylene-11-deoxy-11-hydroxymethyl-19-oxo-PGF.sub.1 c

9-Deoxy-9-methylene-11-deoxy-11-hydroxymethyl-inter-oxa-19-PGF.s

9-Deoxy-9-methylene-11-deoxy-19-oxo-PGF.sub.1 compounds

9-Deoxy-9-methylene-11-deoxy-19-oxo-PGF.sub.2 compounds

9-Deoxy-9-methylene-11-deoxy-inter-oxa-19-oxo-PGF.sub.1 compound

9-Deoxy-9-methylene-11-deoxy-inter-phenylene-19-oxo-PGF.sub.1 co

9-Deoxy-9-methylene-13,14-didehydro-16-phenyl-PGF compounds

9-Deoxy-9-methylene-16-phenyl-17,18,19,20-tetranor- 5,6,13,14-te

9-Deoxy-9-methylene-16-phenyl-5,6-didehydro-PGF.sub.2 or 4,4,5,5

9-Deoxy-9-methylene-16-phenyl-PGF compounds

9-Deoxy-9-methylene-19-oxo-PGF.sub.1 compounds

9-Deoxy-9-methylene-19-oxo-PGF.sub.2 compounds