(4S,5R,6S)-4,5-dihydroxy-6-[(2R,3R,4R,5R,6S)-2,4,5-trihydroxy-6-methyloxan-3-yl]oxy-5,6-dihydro-4H-pyran-2-carboxylate (4S,5R,6S)-4,5-dihydroxy-6-[(2R,3R,4R,5R,6S)-2,4,5-trihydroxy-6-methyl-tetrahydropyran-3-yl]oxy-5,6-dihydro-4H-pyran-2-carboxylate (4S,5R,6S)-4,5-dihydroxy-6-[[(2R,3R,4R,5R,6S)-2,4,5-trihydroxy-6-methyl-3-tetrahydropyranyl]oxy]-5,6-dihydro-4H-pyran-2-carboxylate (4S,5R,6S)-4,5-dihydroxy-6-[(2R,3R,4R,5R,6S)-2,4,5-trihydroxy-6-methyl-oxan-3-yl]oxy-5,6-dihydro-4H-pyran-2-carboxylate