10,10-Difluoro-13-dehydro-pgx 10,10-Difluoro-13-dehydroprostacyclin 80226-91-1 Dfldehprosta Difluoro-pgi2 Fluoroprostacyclin Prost-5-en-13-yn-1-oic acid, 6,9-epoxy-10,10-difluoro-11,15-dihydroxy-, (5Z,9alpha,11alpha,15S)-