104200-12-6 Ceramide, 1-O-(O-6-deoxy-alpha-L-galactopyranosyl-(1-3)-O-(O-6-deoxy-alpha-L-galactopyranosyl-(1-3)-O-(O-6-deoxy-alpha-L-galactopyranosyl-(1-2)-beta-D-galactopyranosyl-(1-4))-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-3)-beta-D-galactopyranosyl-(1-4))-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-3)-O-beta-D-galactopyranosyl-(1-4)-beta-D-glucopyranosyl)- Le(y)-Active trifucosylnonaosylceramide Le(y)-Tfnc