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