麻薬 まやく せい鎮痛 ちんつう やくでした
mayaku seichin tsūyakudeshita

Noun
Desu Copula

The polite past form of 麻薬性鎮痛薬

1. Was a narcotic analgesic.; Was a painkiller with narcotic properties.

Past/Perfective
Polite