Library › Receptors › H1 H1 Receptor target H1. Cited binding affinities and the compounds that act on this target. Compounds modelled on this target Asenapine Brexpiprazole Cetirizine Chlorpheniramine Desloratadine Doxepin (antidepressant doses) Olanzapine Promethazine Risperidone Ziprasidone