RES 1b:x-dglc-HEX-x:x 2s:n-acetyl 3r:r1 4b:b-dglc-HEX-1:5 5s:amino 6s:acetyl LIN 1:1d(2+1)2n 2:1o(4+1)3n 3:3n(4+1)4d 4:4d(2+1)5n 5:4o(6+1)6n REP REP1:7o(4+1)7d=1-3 RES 7b:b-dglc-HEX-1:5 8s:n-acetyl LIN 6:7d(2+1)8n