2.4.1.288 UDP-5-deoxy-alpha-D-galactofuranose 10% inhibition at 1.25 mM 19652 2.4.1.288 UDP-6''-O-methyl-alpha-D-galactofuranose 26% inhibition at 1.25 mM 87996 2.4.1.288 UDP-alpha-D-arabinofuranose less than 1% inhibition at 1.25 mM 19653