(R-(R*,S*-(E)))-2-Amino-3-hydroxy-4-octadecenyl 4-O-beta-D-galactopyranosyl-beta-D-glucopyranoside 109785-20-8 Lactosyl lysosphingolipid Lactosyllysosphingolipid beta-D-Glucopyranoside, 2-amino-3-hydroxy-4-octadecenyl 4-O-beta-D-galactopyranosyl-, (R-(R*,S*-(E)))-