RES 1b:x-dglc-HEX-x:x 2b:b-dgal-HEX-1:5 3b:b-dgal-HEX-1:5 4s:n-acetyl 5b:b-dgal-HEX-1:5 6s:sulfate LIN 1:1o(4+1)2d 2:2o(4+1)3d 3:3d(2+1)4n 4:3o(3+1)5d 5:5o(3+1)6n