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