(15S)-2,2-Difluoro-15-methyl-pgf2-alpha 1,9-lactone (15S)-2,2-Difluoro-15-methyl-prostaglandin F2-alpha 1,9-lactone 62443-67-8 BRN 5630294 Prosta-5,13-dien-1-oic acid, 2,2-difluoro-9,11,15-trihydroxy-15-methyl-, theta-lactone, (5Z,9-alpha,11-alpha,13E,15S)-