Blonanserin-d5 is a deuterium labeled Blonanserin. Blonanserin is a dopamine D2/5-HT2 receptor antagonist and an atypical antipsychotic[1][2].
References:
[1]. Tenjin, T., et al., Profile of blonanserin for the treatment of schizophrenia. Neuropsychiatr Dis Treat, 2013. 9: p. 587-94.
[2]. Oka, M., et al., Pharmacological profile of AD-5423, a novel antipsychotic with both potent dopamine-D2 and serotonin-S2 antagonist properties. J Pharmacol Exp Ther, 1993. 264(1): p. 158-65.