(2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(4-((4-hydroxyphenyl)(pyridin-2-yl)methyl)phenoxy)tetrahydro-2H-pyran-2-carboxylic acid,(2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(4-((4-hydroxyphenyl)(pyridin-2-yl)methyl)phenoxy)tetrahydro-2H-pyran-2-carboxylic acid,Bisacodyl