Barlerin

7α-acetoxy-1α-(β-d-glucopyranosyloxy)-1,4aα,5,6,7,7aα-hexahydro-5α-hydroxy-7-methylcyclopenta[c]pyran-4-carboxylic acid methyl ester ; umbroside ; 8-acetylshanzhiside methyl ester ; 1α-(β-d-glucopyranosyloxy)-7α-acetoxy-5α-hydroxy-7-methyl-1,4aα,5,6,7,7aα-hexahydrocyclopenta[c]pyran-4-carboxylic acid methyl ester ; o-acetyl shanzhiside methyl ester, 8- ; cyclopenta[c]pyran-4-carboxylic acid,7-(acetyloxy)-1-(a-dglucopyranosyloxy)- 1,4a,5,6,7,7a-hexahydro-5- hydroxy-7-methyl-,methyl ester,(1s,4as,5r,7s,7as)- ; barlerin ; (1s)-1α-(β-d-glucopyranosyloxy)-5α-hydroxy-7α-acetoxy-7-methyl-1,4aα,5,6,7,7aα-hexahydrocyclopenta[c]pyran-4-carboxylic acid methyl ester