4-(.BETA.-D-GLUCOPYRANOSYLOXY)-8-HYDROXY-5-(4-HYDROXY-3,5-DIMETHOXYPHENYL)-2-OXO-2H-PYRANO(4,3,2-DE)-1-BENZOPYRAN-3-CARBOXALDEHYDE
4-(.beta.-d-glucopyranosyloxy)-8-hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-2-oxo-2h-pyrano(4,3,2-de)-1-benzopyran-3-carboxaldehyde