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