摘要:
“庚糖”O-α-D-吡喃半乳糖基-(1 ---- 3)-O-α-D-吡喃吡喃糖基-(1 ---- 3)-α,β-L-鼠李糖吡喃糖2”-[ O-α-D-吡喃半乳糖基-(1 ---- 3)-O-α-D-吡喃葡萄糖基-(1 ---- 3)-O-α-L-鼠李糖基-(1 ---- 3) -D-ribit-5-yl磷酸钠](25)和O-alpha-D-吡喃半乳糖基-(1 ---- 3)-O-alpha-D-吡喃葡萄糖基-(1 ---- 3)-alpha ,β-L-鼠李吡喃糖2''-[O-α-D-吡喃半乳糖基-(1 ---- 3)-O-α-D-吡喃葡萄糖基-(1 ---- 3)-O-α-L -鼠李糖吡喃糖基-(1 ---- 4)-D-ribit-5-基磷酸钠](27),它们是肺炎链球菌6A和6B型([---- 2)- -alpha-D-Galp-(1 ---- 3)-alpha-D-Glcp-(1 ----