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