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