label: sodium 2,3,4-trinor-1,5-2-phenylene-6,9-epoxy-11,15-dihydroxy-15-cyclohexyl-(16,17,18,19,20-pentanor)prosta-5,13-dienoate
label_lc: sodium 2,3,4-trinor-1,5-2-phenylene-6,9-epoxy-11,15-dihydroxy-15-cyclohexyl-(16,17,18,19,20-pentanor)prosta-5,13-dienoate