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