5-(benzylamino)-5-deoxy-1-O-methyl-2,3-di-O-isopropylidene-β-D-allofuranuronic acid N-carboxy anhydride

methyl 5-amino-5-deoxy-1-O-methyl-2,3-di-O-isopropylidene-β-D-allofuranuronate

(S)-2-{(S)-2-[(R)-2-Benzylamino-2-((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-acetylamino]-4-methyl-pentanoylamino}-4-methyl-pentanoic acid methyl ester