RES 1b:x-dglc-HEX-x:x 2s:sulfate 3s:n-acetyl 4b:x-lgal-HEX-x:x|6:d 5b:x-dgal-HEX-x:x 6b:x-dgro-dgal-NON-x:x|1:a|2:keto|3:d 7s:n-acetyl LIN 1:1o(6+1)2n 2:1d(2+1)3n 3:6d(5+1)7n