RES
1b:o-dgal-HEX-0:0|1:aldi
2b:b-dglc-HEX-1:5
3s:n-acetyl
4b:b-dgal-HEX-1:5
LIN
1:1o(3+1)2d
2:2d(2+1)3n
3:2o(3+1)4d