donepezil

Probably from (in)d(en)one +‎ (pi)pe(ridine) +‎ (ben)zyl.

• (General American) IPA^(key): /ˌdɑnˈɛp.əz.ɪl/, /doʊˈnɛp.əz.ɪl/

donepezil (uncountable)

1. (pharmacology) A drug taken orally in the form of its hydrochloride C₂₄H₂₉NO₃·HCl to treat dementia associated with Alzheimer's disease

• “donepezil”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• donezepil