(1,1'-Biphenyl)-2-carboxylic acid, 3,3',5-trihydroxy-, 2-ester with 5-ethenyl-6-(beta-D-glucopyranosyloxy)-4,4a,5,6-tetrahydro-4a-hydroxy-1H,3H-pyrano(3,4-c)pyran-1-one, (4aR-(4aalpha,5beta,6alpha))- 21233-18-1