1 AL5 Thiophene-2,5-disulfonic acid 2-amide-5-(4-methyl-benzylamide) 1.000 2 AL9 N-[(4-methoxyphenyl)methyl]2,5-thiophenedesulfonamide 0.870 3 TPD N-(2-thienylmethyl)-2,5-thiophenedisulfonamide 0.818 4 4MD N-(4-chlorobenzyl)-N-methylbenzene-1,4-disulfonamide 0.760