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Abstract [9β-3H]Prostaglandin F2α was injected intravenously into female subjects and the structures of metabolites appearing in the urine were determined. Apart from the earlier identified main urinary metabolite, 5α,7α-dihydroxy-11-ketotetranorprosta-1,16-dioic acid and its δ-lactone, the following metabolites were found: 7α,9α,18-trihydroxy-13-ketodinorprost-3-enoic acid, 7α,9α-dihydroxy-13-ketodinorprost-3-en-1,18-dioic acid, 7α,9α-dihydroxy-13-keto-(dinor, ω-dinor)prost-3-en-1,16-dioic acid, the γ-lactone of 7α,9α,13-trihydroxy-(dinor,ω-dinor)prost-3-en-1,16-dioic acid, 5α,7α,11-trihydroxytetranorprosta-1,16-dioic acid and 5α,7α,16-trihydroxy-11-ketotetranorprostanoic acid. The two latter metabolites were also present as δ-lactone derivatives.
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Granström et al. (1971) studied this question.
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