RES
1b:x-dxyl-PEN-x:x
2r:r1
3b:b-dxyl-PEN-1:5
4b:a-dglc-HEX-1:5|6:a
5s:methyl
LIN
1:1o(4+1)2n
2:2n(4+1)3d
3:3o(2+1)4d
4:4o(4+1)5n
REP
REP1:6o(4+1)6d=1-2
RES
6b:b-dxyl-PEN-1:5