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What is All the following statement about clozapine are true except - and explain in detail?
Clozapine 

It blocks D4, 5-HT, and α-adrenergic receptors.
Despite of anticholinergic property, it causes hypersalivation.
It also blocks H1-histaminic receptors.
The important side effects are agranulocytosis & myocarditis.
It can induce seizures even in nonepileptics.
It causes weight gain and precipitation of diabetes.
It does not produce extrapyramidal side effects.