RES
1b:x-dglc-HEX-1:5|6:d
2b:b-dxyl-PEN-1:5
3b:b-dglc-HEX-1:5|6:d
4b:b-dxyl-PEN-1:5
LIN
1:1o(3+1)2d
2:2o(2+1)3d
3:2o(4+1)4d