83348-25-8 Cyclopenta(c)pyran-4-carboxylic acid, 5,6-bis(acetyloxy)-1-(beta-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-7-methyl-, methyl ester, (1S,4aS,5S,6R,7S,7aR)-