11,12-Difluoromethylene substituted prostanoic and prost-5-cis-e

11,12-Seco-prostaglandins

11,12-Secoprostaglandins

11,12-Secoprostaglandins

11,12-Secoprostaglandins

11,12-Secoprostaglandins

11,15-Dihydroxy-9,13-prostadienoic acid

11,15-Dihydroxy-9-oxoprost-13-ynoic acid

11,16-Substituted prostaglandins

11-(1,2,3,6-Tetrahydro-substituted-4-pyridyl)-dibenz[b,f][1,4]ox

11-(2-Hydroxyethylthio)prostenoic acid E series derivatives

11-(4-Piperidyl)dibenzo-diazepines

11-Cyano-prostaglandins of the F-series

11-Deoxy 15-methyl prostaglandin E.sub.1

11-Deoxy-13-dihydro-prostaglandin-9-ketals

11-Deoxy-15-substituted prostaglandins

11-Deoxy-trans-4,5,13,14-tetradehydro-PGI.sub.1 compounds

11-Deoxyprostaglandin derivatives

11-Desoxy-15-thiaprostaglandins

11-Desoxy-15-thiaprostaglandins