11alpha,16alpha,beta-Dihydroxy-1,9-dioxo-1-hydroxymethyl-16-methyl-13-trans-prostene 74159-84-5 CL 115,574 CL 115574 Prost-13-ene-1,9-dione, 11,16-dihydroxy-1-(hydroxymethyl)-16-methyl-, (11alpha,13E)-(+-)-