Wiktionary
melperone
n. A particular butyrophenone atypical antipsychotic.
Wikipedia
Melperone
Melperone (Bunil ( PT), Buronil ( AT, BE, CZ, DK, FL, NL, NO, SE), Eunerpan ( DE)) is an atypical antipsychotic of the butyrophenone chemical class, making it structurally related to the typical antipsychotic haloperidol. It first entered clinical use in 1960s.