きまおうでわありませんでした
木麻黄ではありませんでした
kima ōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of もくまおう

1. Was not ephedra.; Was not ma-huang.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana