RES
1b:x-dgal-HEX-x:x
2s:n-acetyl
3b:x-dgal-HEX-x:x
4b:x-dglc-HEX-x:x
5s:n-acetyl
6b:x-dgal-HEX-x:x
7s:sulfate
LIN
1:1d(2+1)2n
2:4d(2+1)5n
3:6o(6+1)7n