article 32 diastereoisomer 30 unclassified drug 26 priority journal 22 stereochemistry 16 Carbohydrate Conformation 12 galactose 10 hydrolysis 10 proton nuclear magnetic resonance 10 Acetylation 8 Magnetic Resonance Spectroscopy 8 Stereoisomerism 8 Synthesis (chemical) 8 chemical structure 8 enantiomer 8 structure analysis 8 synthesis 8 Carbohydrates 6 Disaccharides 6 Hydrolysis 6 Polysaccharides 6 acetylation 6 carbohydrate analysis 6 conformation 6 nonhuman 6 nuclear Overhauser effect 6 nuclear magnetic resonance spectroscopy 6 pyran derivative 6 pyranoside 6 seaweed 6