| Ligand | pKi value | | Method | Comment |
| 8-OH DPAT | 4.3 | | 1-01401 | BAD CURVE]]] |
| GBR 12909 .2HCl | 7.2 | | 1-01401 | |
| KB-2796 | <6 | | 1-01401 | |
| MCPP | >7.1 | | 1-01401 | |
| MK 212 HCl | 4.9 | | 1-01401 | |
| RU 24969 | 4.6 | | 1-01401 | |
| RU 24969 | 4.9 | | 1-01401 | |
| RU 24969 | 5.8 | | 1-01401 | |
| SCH-23390 maleate | 7.1 | | 1-01401 | |
| SKF 83742 HCl | 8.3 | | 1-01401 | PKI IS ROUGH ApPROXIMATION; CURVE SEEMS BIPHASIC |
| SKF 84636 | 8.4 | | 1-01401 | PKI IS ROUGH ApPROXIMATION; CURVE SEEMS BIPHASIC |
| TFMPP | 6.2 | | 1-01401 | |
| buspirone HCl | 5.4 | | 1-01401 | |
| buspirone HCl | 6.5 | | 1-01401 | |
| buspirone HCl | 7.7 | | 1-01401 | |
| chlorprothixene HCl H2O | 8 | | 1-01401 | |
| clopenthixol di-HCl (cis) | 7.6 | | 1-01401 | |
| clopipazan mesylate | >10.2 | | 1-01401 | |
| dicyclomine HCl | 6.8 | | 1-01401 | |
| egyt 3615 | <6.1 | | 1-01401 | |
| flumexedol (cerm 1841) | 5.2 | | 1-01401 | |
| flupentixol di-HCl (cis) | 7 | | 1-01401 | |
| fluperlapine | 7.8 | | 1-01401 | |
| ketanserin tartrate | 8 | | 1-01401 | |
| mesulergine | 8.3 | | 1-01401 | |
| mesulergine | >10.1 | | 1-01401 | |
| mianserin HCl (racemate) | 7.8 | | 1-01401 | |
| mianserin HCl (racemate) | 8.3 | | 1-01401 | |
| mianserin HCl (racemate) | 9.4 | | 1-01401 | |
| mianserin HCl (racemate) | 9.6 | | 1-01401 | |
| mianserin HCl (racemate) | 9.7 | | 1-01401 | |
| mianserin HCl R(-) | 7.3 | | 1-01401 | |
| mianserin HCl R(-) | 7.4 | | 1-01401 | |
| mianserin HCl R(-) | 7.8 | | 1-01401 | |
| mianserin HCl R(-) | 7.9 | | 1-01401 | |
| mianserin HCl S(+) | 10.1 | | 1-01401 | |
| mianserin HCl S(+) | 8.4 | | 1-01401 | |
| mianserin HCl S(+) | 9.3 | | 1-01401 | |
| mianserin HCl S(+) | 9 | | 1-01401 | |
| mirtazapine HCl (racemate) | 7.2 | | 1-01401 | |
| mirtazapine HCl (racemate) | 7.2 | | 1-01401 | |
| mirtazapine HCl (racemate) | 7.9 | | 1-01401 | |
| mirtazapine HCl (racemate) | 7.9 | | 1-01401 | |
| mirtazapine HCl (racemate) | 8.4 | | 1-01401 | |
| mirtazapine HCl (racemate) | 8.4 | | 1-01401 | |
| mirtazapine HCl (racemate) | 8 | | 1-01401 | |
| mirtazapine HCl (racemate) | 8 | | 1-01401 | |
| mirtazapine HCl R(-) | 7.1 | | 1-01401 | |
| mirtazapine HCl R(-) | 7.2 | | 1-01401 | |
| mirtazapine HCl R(-) | 7.3 | | 1-01401 | |
| mirtazapine HCl R(-) | 7.3 | | 1-01401 | |
| mirtazapine HCl S(+) | 8.2 | | 1-01401 | |
| mirtazapine HCl S(+) | 8.2 | | 1-01401 | |
| mirtazapine HCl S(+) | 8.4 | | 1-01401 | |
| mirtazapine HCl S(+) | 8.7 | | 1-01401 | |
| perlapine | 7.7 | | 1-01401 | |
| perlapine | 7.7 | | 1-01401 | |
| pindolol | 4.4 | | 1-01401 | |
| pipamperone di-HCl | 7.9 | | 1-01401 | |
| pirenpirone | 8.6 | | 1-01401 | |
| quinuclidinyl benzilate | 5.5 | | 1-01401 | |
| quipazine maleate | 6.5 | | 1-01401 | |
| rauwolscine HCl | 6.3 | | 1-01401 | |
| sertraline HCl | 5.6 | | 1-01401 | |
| setoperone | 9.4 | | 1-01401 | |
| spiperone | 7.9 | | 1-01401 | |
| spiperone | 8.3 | | 1-01401 | |
| spiperone | 8.4 | | 1-01401 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 8.8 | | 1-01401 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 9.1 | | 1-01401 | |
| trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl- 1H-dibenz(2,3:6,7)oxepino(4,5-c)pyrrole maleate | 9.1 | | 1-01401 | |
| trifluperidol HCl | 7.2 | | 1-01401 | |