| Ligand | pKi value | | Method | Comment |
| 4-(5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-5-yl) benzonitrile monohydrochloride | <5.4 | | 1-02201 | |
| 4-amino-5-chloro-N-[1-(cyclohexylmethyl)-4-piperidinyl] -2-ethoxybenzamidemonohydrochloride | <5.4 | | 1-02201 | |
| 8-OH DPAT | 5.5 | | 1-02201 | |
| 8-OH DPAT | 5 | | 1-02201 | |
| DOI (racemate) | 5.4 | | 1-02201 | |
| LPA | <5.7 | | 1-02201 | |
| MCPP | 7 | | 1-02201 | |
| MK 212 HCl | 5.8 | | 1-02201 | |
| RU 24969 | 8.7 | | 1-02201 | |
| TFMPP | 7.4 | | 1-02201 | |
| bromerguride | 6.1 | | 1-02201 | |
| buspirone HCl | 5.2 | | 1-02201 | |
| eltoprazine | 7.8 | | 1-02201 | |
| flumexedol (cerm 1841) | 7.5 | | 1-02201 | |
| fluprazine HCl | <5.4 | | 1-02201 | |
| idazoxan | <5.3 | | 1-02201 | |
| ipsapirone | <5.3 | | 1-02201 | |
| ketanserin tartrate | <5.3 | | 1-02201 | |
| mdl72832 a-4 | 6.1 | | 1-02201 | |
| mesulergine | 6 | | 1-02201 | |
| mianserin HCl (racemate) | 6.1 | | 1-02201 | |
| mianserin HCl (racemate) | 6 | | 1-02201 | |
| mianserin HCl R(-) | 5.8 | | 1-02201 | |
| mianserin HCl S(+) | 6.4 | | 1-02201 | |
| mirtazapine HCl (racemate) | 4.7 | | 1-02201 | |
| mirtazapine HCl (racemate) | 4.7 | | 1-02201 | |
| mirtazapine HCl (racemate) | 4.7 | | 1-02201 | |
| mirtazapine HCl (racemate) | 4.7 | | 1-02201 | |
| mirtazapine HCl (racemate) | 5.4 | | 1-02201 | |
| mirtazapine HCl (racemate) | 5.4 | | 1-02201 | |
| mirtazapine HCl R(-) | 5.2 | | 1-02201 | |
| mirtazapine HCl R(-) | <5.3 | | 1-02201 | |
| mirtazapine HCl R(-) | <5.3 | | 1-02201 | |
| mirtazapine HCl S(+) | 5 | | 1-02201 | |
| mirtazapine HCl S(+) | 5 | | 1-02201 | |
| mirtazapine HCl S(+) | 6.6 | | 1-02201 | |
| pindolol | 6.4 | | 1-02201 | |
| pirenpirone | 4.7 | | 1-02201 | |
| propylnorapomorphine HCl (N-) | 5 | | 1-02201 | |
| quipazine maleate | 6.9 | | 1-02201 | |
| sertraline HCl | <5.1 | | 1-02201 | BINDING AT 1.0E-09M WAS TAKEN AS TOTAL BINDING |
| spiperone | 5.2 | | 1-02201 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 7.1 | | 1-02201 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 7.4 | | 1-02201 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 7.5 | | 1-02201 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 7.5 | | 1-02201 | |
| umespirone | <4.8 | | 1-02201 | |
| xylamidine tosylate | <5.3 | | 1-02201 | |
| zolpidem | <5.3 | | 1-02201 | |