Synonyms: Iridoid;15-Demethyl plumieride;133738-37-1;AC1L9QTQ;methyl (1S,4aS,7R,7aS)-4'-(hydroxymethyl)-5'-oxo-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyspiro[4a,7a-dihydro-1H-cyclopenta[c]pyran-7,2'-furan]-4-carboxylate;Spiro(cyclopenta(c)pyran-7(1H),2'(5'H)-furan)-4-carboxylic acid, 1-(beta-D-glucopyranosyloxy)-4a,7a-dihydro-4'-(hydroxymethyl)-5'-oxo-, methyl ester, (1S-(1alpha,4aalpha,7a,7aalpha))-;Spiro[cyclopenta[c]pyran-7(1H),2'(5'H)-furan]-4-carboxylic acid, 1-(.beta.-D-glucopyranosyloxy)-4a,7a-dihydro-4'-(hydroxymethyl)-5'-oxo-, methyl ester, [1S-(1.alpha.,4a.alpha.,7a,7a.alpha.)]-