(3R,5S)-1-Oxo-1-phenyl-1λ5-phosphinane-2,3,5-triol

((3aR,5S,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-ylmethyl)-phenyl-phosphinic acid methyl ester

[((3aR,5S,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-hydroxy-methyl]-phenyl-phosphinic acid methyl ester