15(R)-17-Phenyl trinor Prostaglandin F2α

15(R)-17-Phenyl trinor Prostaglandin F2α (15-epi Bimatoprost free acid) is a prostaglandin F (FP) analog that acts as an ocular hypotensive agent. The free acid 17-Phenyl trinor Prostaglandin F2α is a potent FP receptor agonist. 15(R)-17-Phenyl trinor Prostaglandin F2α is the 15-epi or "unnatural" isomer of this active free acid metabolite and has reduced FP receptor agonist activity.