[EN] NOVEL PIPERAZINYL-PYRAZINONE DERIVATIVES FOR THE TREATMENT OF 5-HT2A RECEPTOR-RELATED DISORDERS [FR] NOUVEAUX DERIVES DE PIPERAZINYL-PYRAZINONE POUR LE TRAITEMENT DES TROUBLES LIES AU RECEPTEUR 5-HT2A
[EN] NOVEL PIPERAZINYL-PYRAZINONE DERIVATIVES FOR THE TREATMENT OF 5-HT2A RECEPTOR-RELATED DISORDERS [FR] NOUVEAUX DERIVES DE PIPERAZINYL-PYRAZINONE POUR LE TRAITEMENT DES TROUBLES LIES AU RECEPTEUR 5-HT2A