先発 せんぱつ医薬 いやく ひんじゃありませんでした
sempatsuiyakuhinjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 先発医薬品

1. Was not a pioneer drug.; Was not a first-generation drug.

Past/Perfective
Negative
Polite
Terminal Form