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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Pharmacol Biochem Behav. 2008 Sep 8;93(3):248–257. doi: 10.1016/j.pbb.2008.08.025

Table 1.

Receptor affinities of quetiapine and clozapine.

receptor quetiapine clozapine
D2 180 nM 130 nM
5-HT2A 220 nM 8.9 nM
5-HT2A:D2 affinity ratio 0.82 14.6
5-HT2C 1400 nM 17 nM
5-HT6 4100 nM 11 nM
5-HT7 1800 nM 66 nM
Histamine H1 8.7 nM 1.8 nM

Data are presented as Ki values and based on Schmidt et al. (2001).