RES
1b:x-lgal-HEX-x:x|6:d
2r:r1
3b:a-lgal-HEX-1:5|6:d
4s:sulfate
5s:sulfate
LIN
1:1o(3+1)2n
2:2n(3+1)3d
3:3o(4+1)4n
4:1o(4+1)5n
REP
REP1:6o(3+1)6d=-1--1
RES
6b:a-lgal-HEX-1:5|6:d
7s:sulfate
LIN
5:6o(4+1)7n