Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/beta-D-ribo-3-Octulopyranose_-3_8-anhydro-2_5-dideoxy-4-O-methyl-6-O-_phenylmethyl_ beta-D-ribo-3-Octulopyranose, 3,8-anhydro-2,5-dideoxy-4-O-methyl-6-O-(phenylmethyl)- - PubChem beta-D-ribo-3-Octulopyranose, 3,8-anhydro-2,5-dideoxy-4-O-methyl-6-O-(phenylmethyl)- chemical information summary. https://pubchem.ncbi.nlm.nih.gov/compound/beta-D-ribo-3-Octulopyranose_-3_8-anhydro-6-O-_cyclohexylmethyl_-1_2_5-trideoxy-4-O-ethyl beta-D-ribo-3-Octulopyranose, 3,8-anhydro-6-O-(cyclohexylmethyl)-1,2,5-trideoxy-4-O-ethyl- - PubChem beta-D-ribo-3-Octulopyranose, 3,8-anhydro-6-O-(cyclohexylmethyl)-1,2,5-trideoxy-4-O-ethyl- chemical information summary.