has role benzamides aromatic amine xenobiotic sulfone pyrrolidines amisulpride A member of the class of benzamides resulting from the formal condensation of the carboxy group of 4-amino-5-(ethylsulfonyl)-2-methoxybenzoic acid with the primary amino group of 2-(aminomethyl)-1-ethylpyrrolidine. It is a potent, selective dopamine D<small>₂</small> and D<small>₃</small> receptor antagonist. It is an atypical antipsychotic/antischizophrenic agent with limited extrapyrimidal side effects. second generation antipsychotic environmental contaminant