(3~{a}~{R},4~{R},5~{S},6~{R},7~{R},7~{a}~{S})-7-(hydroxymethyl)-2,2-bis(oxidanylidene)-3~{a},4,5,6,7,7~{a}-hexahydrobenzo[d][1,3,2]dioxathiole-4,5,6-triol

B3PEE6 — Oligosaccharide 4-alpha-D-glucosyltransferase