| abstract |
ABSTRACT OF THE DISCLOSURE This invention relates to novel 15-, 16-and 17-heterocyclyl nor-prostanoic acid derivatives, for example 9.alpha.,11.alpha.,15-trihydroxy-16-(indol-5-yloxy)-17,18,19,20-tetranor-5-cis, 13-trans-prostadienoic acid, which have a unique profile of prostaglandin-like propeities, and to processes for their manufacture, and also to pharmaceutical or veterinary compositions containing one of said novel derivatives, and a method of inducing luteolysis in an animal host by administering one of said novel derivatives. |