(5Z,9-alpha,13E,15S)-9,15-Dihydroxy-16,16-dimethyl-11-oxoprosta-5,13-dien-1-oic acid 16,16-Dimethyl-pgd2 16,16-Dimethylprostaglandin D2 85235-22-9 Prosta-5,13-dien-1-oic acid, 9,15-dihydroxy-16,16-dimethyl-11-oxo-, (5Z,9-alpha,13E,15S)-