133738-37-1 15-Demethyl plumieride AIDS-003050 AIDS003050 Iridoid 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.)]-