(2S,3R,4S,5R)-2,3,4,5-tetrahydroxyhexanedioate (2S,3R,4S,5R)-2,3,4,5-tetrahydroxyadipate (2R,3S,4R,5S)-2,3,4,5-tetrahydroxyhexanedioate CHEBI:16537 galactarate(2-) meso-galactarate ZINC03940374