ジアセチルモルヒネじゃなかったです
jiasechirumoruhinejanakattadesu

Noun
Desu Copula

The polite, past negative form of ジアセチルモルヒネ

1. Wasn't diacetylmorphine.; Wasn't heroin.

Past/Perfective
Negative
Polite
Casual Register