methyl-3-O-(alpha-D-glucopyranosyl)-7-O-(L-glycero-alpha-D-manno-heptopyranosyl)-L-glycero-alpha-D-manno-heptopyranoside
methyl-3-o-(alpha-d-glucopyranosyl)-7-o-(l-glycero-alpha-d-manno-heptopyranosyl)-l-glycero-alpha-d-manno-heptopyranoside