唾液酸乳糖-N-四糖d, LS-Tetrasaccharide d / LSTd / Sialyl-Lacto-N-tetraose d,Neu5Acα2-3Galβ1-4GlcNAcβ1-3Galβ1-4Glc , C37H61N2O29Na ,CASN: 100789-83-1, 货号:GLY083