inulobiose = alpha-D-fructofuranose-beta-D-fructofuranose 2',1:2,3'-dianhydride + H2O
inulobiose = alpha-d-fructofuranose-beta-d-fructofuranose 2',1:2,3'-dianhydride + h2o
"difructose-dianhydride-III synthase"
"difructose-dianhydride-iii synthase"