DManpa1-3DManpa1-3DManpa1-2DManpa1-6[DManpa1-3DManpb1-2DManpa1-2]DManpa1-3[DManpa1-3DManpa1-2DManpa1-6[DManpa1-3]DManpa1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-OH