(R)-1-((2S,3R,4R,5S)-4-amino-3-hydroxy-5-methoxytetrahydrofuran-2-yl)ethane-1,2-diol

methyl 2-amino-2-deoxy-α-D-glucofuranoside hydrochloride

aminomethylene-malonic acid dimethyl ester

methyl 3,5,6-tri-O-acetyl-2-amino-2-deoxy-α-D-glucofuranoside hydrochloride

2-[((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-2-methoxy-tetrahydro-pyran-3-ylamino)-methylene]-malonic acid dimethyl ester