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