D-erythro-hexonic acid, 2,4,6-trideoxy-3,5-O-(1-methylethylidene)-6-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfonyl]-, 1,1-dimethylethyl ester is a complex organic compound with multiple functional groups. It is a derivative of D-erythro-hexonic acid, a six-carbon sugar.