英文别名Methyl 4-((1R,2S,3aR,8bR)-2-hydroxy-1-(hydroxymethyl)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-5-yl)butanoate; 1H-Cyclopenta[b]benzofuran-5-butanoic acid, 2,3,3a,8b-tetrahydro-2-hydroxy-1-(hydroxymethyl)-, methyl ester, (1R,2S,3aR,8bR)-rel-; Beraprost Impurity 61; Beraprost impurity; RMA-505; Beraprost impurity 29