The first atypical antipsychotic drug used for schizophrenia…

The first atypical antipsychotic drug used for schizophrenia, an atypical antipsychotic that is chemically similar to loxapine, acts on the dopamine 1 and serotonin receptors, and is not a drug of first choice because of a potentially adverse fatal effect, agranulocytosis. This drug is most likely?