生理 せいり活性 かっせい物質 ぶっしつではありません
seirikasseibusshitsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 生理活性物質

1. Is not a biologically active substance.; It is not a biologically active substance.

Negative
Polite
Formal Register