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