The invention provides novel 19-methyl-9-keto-15-hydroxy-prost-18-enoic, -prosta-13,18-dienoic and -prosta-5,13,18-trienoic acids and esters having antiulcer and antiasthma activity.
这项发明提供了具有抗溃疡和抗哮喘活性的新型19-甲基-9-酮-15-羟基-前列腺-18-烯酸、-前列腺-13,18-二烯酸和-前列腺-5,13,18-
三烯酸及其酯。