quetiapine

noun
que·​ti·​a·​pine | \ kwe-ˈtī-ə-ˌpēn How to pronounce quetiapine (audio) \
variants: or quetiapine fumarate

Medical Definition of quetiapine

: an antipsychotic drug taken orally in the form of its fumarate (C21H25N3O2S)2·C4H4O4 especially to treat schizophrenia and bipolar disorder

Note: Quetiapine is marketed under the trademark Seroquel.