Dihydrofoliamenthin

8-Hydroxy-2,6-dimethyl-6-octenoic acid 5-ethenyl-6-(β-D-glucopyranosyloxy)-4,4a,5,6-tetrahydro-1-oxo-1H,3H-pyrano[3,4-c]pyran-3-yl ester

8-Hydroxy-2,6-dimethyl-6-octenoic acid [5-vinyl-6-(β-D-glucopyranosyloxy)-4,4a,5,6-tetrahydro-1-oxo-1H,3H-pyrano[3,4-c]pyran-3-yl] ester