(S)-AL-8810

(S)-AL 8810 is an 11β-fluoro analog of PGF2α that acts as a potent and selective antagonist at the FP receptor. (S)-AL 8810 is the C-15 epimer of AL 8810, having theinverse, (S), or "natural" configuration at C-15 relative to AL 8810, which is 15-(R).