1 SR1 5-S-methyl-5-thio-alpha-D-ribofuranose 1.000 2 32O Beta-L-ribofuranose 0.750 3 AHR Alpha-L-arabinofuranose 0.750 4 BDR Beta-D-ribofuranose 0.750 5 BXX Beta-D-arabinofuranose 0.750 6 BXY Alpha-D-arabinofuranose 0.750 7 FUB Beta-L-arabinofuranose 0.750 8 RIB Alpha-D-ribofuranose 0.750 9 XYZ Beta-D-xylofuranose 0.750 10 Z6J Alpha-L-ribofuranose 0.750 11 4XX 4-hydroxy-5-methylfuran-3(2h)-one 0.727