RES
1r:r1
REP
REP1:3o(3+1)2d=-1--1
RES
2b:a-lgal-HEX-1:5
3b:b-dgal-HEX-1:5
4s:sulfate
5s:anhydro
LIN
1:2o(4+1)3d
2:3o(6+1)4n
3:2d(3+1)5n
4:2o(6+1)5n