such as oleyl alcohol suitable means to employ the aerosol inhalation therapy technique are described fully in u s pat nos 2 868 691 and 3 095 355 for example the following examples further illustrate the best mode contemplated by the inventor of making the compositions of the invention an ice cooled solution of 4 0 g of 7 2 u03b2 3r 3 hydroxy trans 1 octenyl 5 oxo 1 u03b1 cyclopent 3 enyl cis 5 heptenoic acid in 110 ml of a 10 1 mixture methanol water is treated with 2 2 g of sodium borohydride and stirred at 25 u00b0 for 7 hours the mixture is concentrated under vacuum at 40 u00b0 the residue diluted with water acidified with acetic acid and the mixture partitioned with ether after washing and drying the extract is evaporated and the residue chromatographed on silica elution with 35 ethyl acetate hexane affords the first title product as an oil u03bb max film 2 95 3 4 5 8 7 1 8 1 8 8 9 7 10 3 u03bc nmr u03b4 5 48 m 4 olefinic h 4 62 2 oh 4 28 m 2 9 and 15 h ppm mass spectrum m at m e 338 theory 338 m.