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