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