Synonyms: AC1L4L7L;87553-43-3;Cyclopenta(c)pyran-4-carboxylic acid, 1,4a,7,7a-tetrahydro-1,7-dihydroxy-7-(hydroxymethyl)-, methyl ester, (1R-(1alpha,4aalpha,7beta,7aalpha))-;methyl (1R,4aS,7S,7aS)-1,7-dihydroxy-7-(hydroxymethyl)-4a,7a-dihydro-1H-cyclopenta[c]pyran-4-carboxylate