[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl] phosphate [(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl] phosphate [(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)-2-tetrahydrofuranyl] phosphate [(2R,3R,4S,5R)-3,4-dihydroxy-5-methylol-tetrahydrofuran-2-yl] phosphate