for the following products
(2S,3R)-3-((4R)-2,2-Dimethyldioxolan-4-yl)-2-methyl-2,3-dihydroxypropanoic acid ethyl ester | D-Arabinonic acid,2-c-methyl-4,5-O-(1-methylethylidene)-,ethylester | Ethyl (2S,3R)-3-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,3-dihydroxy-2-methyl-propanoate and 2-C-methyl-4,5-O-(1-methylethylidene)-D-arabinonic acid ethyl ester
