120142-89-4 2,3-Deie 2,3-Isoprolylideneerthrofuranosyl 2,3-O-isopropylideneerythrofuranoside 2,3-O-Isopropylidene-beta-L-erythrofuranosyl 2,3-O-isopropylidene-beta-L-erythrofuranoside Furo(3,4-d)-1,3-dioxole, 4,4'-oxybis(tetrahydro-2,2-dimethyl-, (3aS-(3aalpha,4alpha(3'aR*,4'S*,6'aR*),6aalpha))-