Table 2. Modifications of the 2-Chlorophenyl (Benzamide) Moiety at C-1.

no.	R1	Kdis (μM)
2	2-Cl-phenyl	6.9 ± 1.5
37	Me	>10
38	3-Cl-phenyl	1.8 ± 0.1
39	3-Me-phenyl	1.1 ± 0.1
40	2-Cl-3-Me-phenyl	1.1 ± 0.1
41	3-OH-phenyl	>10
42	3-OMe-phenyl	1.4 ± 0.1
43	4-F-phenyl	3.1 ± 0.3
44	2-Cl-4-F-phenyl	0.63 ± 0.1
45	3-Me-4-F-phenyl	0.59 ± 0.1
46	3-OMe-4-F-phenyl	0.68 ± 0.1
47	2-Cl-3-Me-4-F-phenyl	0.27 ± 0.1
48	phenyl	5.8 ± 0.4
49	cyclohexyl	>10
50	1-naphthyl	0.71 ± 0.1
51	5-quinolyl	1.5 ± 0.2
52	benzyl	>10
53	3-pyridyl	>10
54	2-furanyl	>10