RES
1b:b-drib-HEX-1:5|2:d|6:d
2b:b-dara-HEX-1:5|2:d|6:d
3b:b-drib-HEX-1:5|2:d|6:d
4b:b-drib-HEX-1:5|2:d|6:d
5s:methyl
LIN
1:1o(4+1)2d
2:2o(4+1)3d
3:3o(4+1)4d
4:4o(3+1)5n