RES
1b:x-dgro-dgal-NON-x:x|1:a|2:keto|3:d
2s:n-acetyl
3b:o-dglc-HEX-0:0|1:aldi
4s:n-acetyl
5b:x-dgal-HEX-x:x
6b:x-lgal-HEX-x:x|6:d
LIN
1:1d(5+1)2n
2:3d(2+1)4n