120418-73-7 9,11,13,15-Octadecatetraenamide, N-(1-(((O-(N-acetyl-alpha-neuraminosyl)-(2-3)-O-(O-beta-D-galactopyranosyl-(1-3)-2-(acetylamino)-2-deoxy-beta-D-galactopyranosyl-(1-4)-O-beta-D-galactopyranosyl-(1-4)-beta-D-glucopyranosyl)oxy)methyl)-2-hydroxy-3-heptadecenyl)-, (R-(R*,S*-(E,Z,Z,E,E)))- N-Parinaroylganglioside G(M1) Npg-GM1