1 AH8 (2r,3r,4r,5s)-2-azido-5-(hydroxymethyl)oxolane-3,4-diol 1.000 2 6LW (z)-L-arabinonhydroximo-1,4-lactone 0.769 3 R1X 1,4-anhydro-D-ribitol 0.750 4 R2B 1,4-anhydro-D-erythro-pent-1-enitol 0.750