RES 1b:x-dara-HEX-2:5|2:keto 2s:chloro 3b:x-dgal-HEX-1:5 4s:chloro 5s:bromo 6s:chloro LIN 1:1d(1+1)2n 2:1o(-1+1)3d 3:3d(4+1)4n 4:1d(4+1)5n 5:1d(6+1)6n