29118-80-7 Cyclopenta(c)pyran-4-carboxylic acid, 1-(beta-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-7-methyl-6-oxo-, 2-(4-hydroxyphenyl)ethyl ester, (1S-(1alpha,4aalpha,7alpha,7aalpha))- Syringopicroside