5-Oxa-13,14-didehydro-11-deoxy-PGE.sub.1 compounds
5-Oxa-13,14-didehydro-11-deoxy-PGF.sub.1 .alpha. compounds
5-Oxa-cis-13-PGA, compounds
5-Oxa-cis-13-PGE.sub.1 compounds
5-Oxa-cis-13-PGF.sub.1 compounds
5-substituted aminophenols
5-Z-octenyl esters, process for their preparation and their use