Drug names are frequently BS loaded with strange consonants without singular pronunciation guidelines (sadly English isn't German) so humans already have a lot of variation in how things are pronounced - models then need to comprehend those variations, regional dialects (like those fuggin' ahs from Boston).
It ends up being quite a lot of variation.
As some examples: Wegovy, Ixempra, Qvar, Keflex
Wow, those names are actually real. They sound like fly-by-night compliance "brand" names on amazon sellers. How did those get approved by a multi-billion dollar marketing team?