(1R)-1-[(2R,3aR,5R,6S,6aR)-6-hydroxy-2-(trichloromethyl)-3a,5,6,6a-tetrahydrofuro[4,5-d][1,3]dioxol-5-yl]ethane-1,2-diol Chloralose-alpha 1,2-O-[(1R)-2,2,2-trichloroethylidene]-alpha-D-glucofuranose Chlorlose-alpha ZINC03860865