11alpha-hydroxy-2,3,4,5-tetranor-9,15-dioxoprostan-1,20-dioic acid 11alpha-hydroxy-9,15-dioxo-2,3,4,5,20-pentanor-19-carboxyprostanoic acid 24769-56-0 8-[(1R,2R,5R)-2-(2-carboxyethyl)-5-hydroxy-3-oxocyclopentyl]-6-oxooctanoic acid CHEBI:73965 Hdopnp PGE-M PGE-Mum PGE2-UM PGE2UM PGEM Tetranor-PGEM prostaglandin E-M prostaglandin E2 urinary metabolite prostaglandin E2-M prostaglandin E2-Mum prostaglandin E2-UM tetranor-prostaglandin EM